Total bridges
344
Public highway bridges in DuPage County
County profile · official public datasets
DuPage County, IL
344 public highway bridges tracked in the FHWA National Bridge Inventory: 37.5% rated Good, 54.4% Fair, 8.1% Poor.
- 344
- Public bridges
- 37.5%
- Good condition
- 8.1%
- Poor condition
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
DuPage County pairs a higher-than-median Poor-condition share among rated counties in the state with a newer average build year than the state inventory.
- 55th
- of 102 on Poor share
- 8.1%
- Poor-condition share
- 344
- public highway bridges
- 1985
- avg year built
Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.
DuPage County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, DuPage County ranks #55 of 102 Illinois counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 8.1%). DuPage County, Illinois contains 344 public highway bridges. Roughly 37.5% are rated “Good,” 54.4% “Fair,” and 8.1% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Good condition
37.5%
129 of 344 rated 7-9
Fair condition
54.4%
187 of 344 rated 5-6
Poor condition
8.1%
28 of 344 rated 4 or below
In-state Poor-share rank
#55 of 102
Among Illinois counties with 5+ bridges, lower share ranks better
Condition distribution
Share of 344 NBI-tracked bridges by lowest applicable component rating.
Good 37.5% (129)
Fair 54.4% (187)
Poor 8.1% (28)
DuPage County's Poor-condition bridges carry 170,375 vehicle crossings a day
That is 1.7% of the county's reported daily bridge traffic on 8.2% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 6,085 crossings a day against 23,322 for a Good-condition one. A Poor rating is a condition category, not a closure or a live safety judgement; it means the lowest applicable component rating is 4 or below.
Computed over the 343 of 344 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
37.2% of DuPage County's bridges have passed the 50-year mark
128 of the 344 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 37.5% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.
Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.
One structure carries 14.7% of the county's Poor-condition bridge traffic
IL 38 over WINFIELD CREEK, built 1982, carries 25,000 vehicles a day, the most of any Poor-rated structure here. The county's Poor-condition exposure is concentrated rather than evenly spread, so the 28-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 170,375 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
When DuPage County's bridges were built
344 bridges with a recorded construction year, grouped by decade
- 1920s 4
1920–1929
4 bridges
- 1930s 11
1930–1939
11 bridges
- 1940s 4
1940–1949
4 bridges
- 1950s
1950–1959
31 bridges
- 1960s
1960–1969
40 bridges
- 1970s
1970–1979
51 bridges
- 1980s
1980–1989
69 bridges
- 1990s
1990–1999
34 bridges
- 2000s
2000–2009
35 bridges
- 2010s
2010–2019
59 bridges
- 2020s 6
2020–2029
6 bridges
What this shows Construction peaked in the 1980s, when 69 of the county's bridges still in the inventory were built, which is 20.1% of those with a recorded year. That cohort is now 35 to 44 years old in the 2024 inventory. Its average build year is 1985, 6 years newer than the Illinois average of 1979.
How DuPage County compares with Illinois's closest counties by inventory size
The 5 Illinois counties nearest DuPage County in number of bridges, with their condition splits. Its 8.1% Poor share is the 4th-lowest of these 6. Its average build year of 1985 against a peer-group mean of 1982 is in line with the group.
Showing the 5 closest of 101 Illinois counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Peoria County | 352 | 24.1% | 57.7% | 18.2% | 1983 |
| Macon County | 346 | 25.7% | 58.7% | 15.6% | 1984 |
| Kankakee County | 344 | 40.1% | 53.5% | 6.4% | 1982 |
| DuPage County (this page) | 344 | 37.5% | 54.4% | 8.1% | 1985 |
| Stephenson County | 342 | 61.1% | 36.3% | 2.6% | 1977 |
| Kane County | 336 | 48.2% | 45.5% | 6.3% | 1986 |
Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to DuPage County's. Source: FHWA National Bridge Inventory, 2024 release.
Nationwide counties with similar inventory size or average build year
Two NBI-derived peer sets for DuPage County, both outside Illinois so the neighborhoods are not the same-state size table above.
Similar inventory size
Nearest county inventories outside IL (344 bridges here).
- Shelby County, AL · 344 bridges
- Cumberland County, ME · 344 bridges
- Greene County, OH · 344 bridges
- Galveston County, TX · 344 bridges
Similar average build year
Nearest mean year-built outside IL (1985 here).
- Hillsborough County, FL · avg 1985 · 840 bridges
- Lancaster County, NE · avg 1985 · 661 bridges
- Nueces County, TX · avg 1985 · 528 bridges
- Grayson County, TX · avg 1985 · 513 bridges
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
All bridges (344)
BLOOMINGDALE RD
FairOver: I-290
1.0 M S OF IL 19, DuPage, IL
Built 1970 Load: 46.7 t ADT: 3,050
I-355 NB TO I-88 W
FairOver: I-355
1.2 M.E. OF IL-53, DuPage, IL
Built 1989 Load: 46.7 t ADT: 18,000
IL 83
FairOver: DRAINAGE DITCH
0.36 M S OF I-88, DuPage, IL
Built 1952 Load: 47.3 t ADT: 61,300
HIGH LAKE ROAD
FairOver: W BRANCH DU PAGE RV
0.2 MI W WINFIELD RD, DuPage, IL
Built 1946 Load: 47.3 t ADT: 4,450
I-355 NB & SB
FairOver: IL-53
.3 MI N RT 38, DuPage, IL
Built 1989 Load: 47.3 t ADT: 119,400
I-290
FairOver: SPRING BROOK
0.6 M S OF IL 19, DuPage, IL
Built 1970 Load: 48.6 t ADT: 89,900
RAYMOND DR
FairOver: I-88 E-W TOLL RD.
1M E ILL 59, DuPage, IL
Built 2000 Load: 48.9 t ADT: 6,450
I-355 NB & SB
FairOver: FINLEY RD & RAMP
0.8 M.N. OF US-34, DuPage, IL
Built 1989 Load: 49.6 t ADT: 102,800
YORK RD
FairOver: IL 38
1.5 M E OF IL 83, DuPage, IL
Built 1963 Load: 49.9 t ADT: 9,600
IL 53
FairOver: RR - CN
0.9 M N OF IL 64, DuPage, IL
Built 1935 Load: 50.9 t ADT: 24,100
I-355 NB & SB
FairOver: 22ND.ST.
0.5M.N.OFIL-56, DuPage, IL
Built 1989 Load: 51.5 t ADT: 121,600
I-88 EB E-W TOLL
FairOver: IL 53
0.1 MI E DUPAGE RVR, DuPage, IL
Built 2008 Load: 51.8 t ADT: 82,400
I-355
FairOver: PRENTISS CREEK
1.2 MI E. ILL RTE 53, DuPage, IL
Built 1988 Load: 53.8 t ADT: 65,950
I-88 EB
FairOver: W BR DUPAGE RIVER
ILL 5 1.5E ILL 59, DuPage, IL
Built 1958 Load: 54.4 t ADT: 65,750
I-88 WB
FairOver: W BR DUPAGE RIVER
ILL 5 1.5M E ILL 59, DuPage, IL
Built 1958 Load: 54.4 t ADT: 65,750
I-355
FairOver: JACKSON AVE.
1M.E.OF IL-53, DuPage, IL
Built 1989 Load: 54.4 t ADT: 141,700
IL 56
FairOver: SALT CREEK
.3 M NE OF IL 38, DuPage, IL
Built 1964 Load: 55.1 t ADT: 21,100
CLARENDON HILLS RD
FairOver: I- 55
0.5 M W IL 83, DuPage, IL
Built 1960 Load: 55.1 t ADT: 5,250
I-355 SB TO I-88 W
FairOver: I-355 FINLEY & RAMPS
1.3 M.E. OF IL-53, DuPage, IL
Built 1989 Load: 55.1 t ADT: 12,500
I-355 NB & SB
FairOver: FOXWORTHBLVD.
0.6M.N.OFIL-56, DuPage, IL
Built 1989 Load: 55.4 t ADT: 121,600
I-355 NB & SB
FairOver: HITCHCOCK AVE.
1M.E.OF IL-53, DuPage, IL
Built 1989 Load: 55.4 t ADT: 145,100
I-355 NB & SB
FairOver: OAK CREEK DR.
0.7M.N.OF IL-56, DuPage, IL
Built 1989 Load: 55.7 t ADT: 121,600
IL 56
FairOver: E BR DUPAGE RIVER
0.34 M E IL 53, DuPage, IL
Built 1973 Load: 56.4 t ADT: 33,000
75TH ST
FairOver: W. BR. DUPAGE RIVER
0.1M E OF WASH ST, DuPage, IL
Built 2010 Load: 57.3 t ADT: 31,300
HARGER RD
FairOver: SALT CREEK
.4 MI N 22 ND ST, DuPage, IL
Built 1958 Load: 58.3 t ADT: 1,150
I-88 EB TO I-355 S
FairOver: I-355 SB TO US-34
1.1 M.E. OF IL-53, DuPage, IL
Built 1989 Load: 58.3 t ADT: 16,800
IL 56
FairOver: IL 38
0.1 M E IL 83, DuPage, IL
Built 1965 Load: 59.6 t ADT: 21,100
CLARENDON HILLS RD
FairOver: SAWMILL CREEK
0.3 MI N I-55, DuPage, IL
Built 1963 Load: 59.6 t ADT: 5,250
I-88
FairOver: I-355 NB TO I-88 WB
0.45 M.N. OF US-34, DuPage, IL
Built 1989 Load: 61.2 t ADT: 164,800
I-88 EB E-W TOLLWA
FairOver: 22ND ST (CERMAK RD)
0.2 MI E OF IL 83, DuPage, IL
Built 2009 Load: 62.2 t ADT: 78,050
IL 64
FairOver: E BR DU PAGE RIVER
0.29 M W OF SWIFT RD, DuPage, IL
Built 1987 Load: 62.9 t ADT: 54,500
HOBSON RD
FairOver: E BR DUPAGE RIVER
0.40 MI W IL-53, DuPage, IL
Built 1999 Load: 64.8 t ADT: 20,900
I-294 SB TO I-290
FairOver: I-290 WB TO US20 EB
1.7 M S OF GRAND AVE, DuPage, IL
Built 2022 Load: 65.1 t ADT: 13,500
I-355
FairOver: STREAM
.2 MI S. ILL RTE 53, DuPage, IL
Built 1988 Load: 66.1 t ADT: 119,400
I-88 EB TO I-355 N
FairOver: I-88
0.1 M.E. OF FINLEY, DuPage, IL
Built 1989 Load: 66.1 t ADT: 15,600
I-355
FairOver: LACEY CREEK
2 MI N. OF US 34, DuPage, IL
Built 1988 Load: 97.2 t ADT: 102,800
I-355
FairOver: LILLY CACHE CREEK
1 MI N. OF I-55, DuPage, IL
Built 1988 Load: 97.2 t ADT: 61,450
I-88
GoodOver: Prairie Path
0.6 M W OF ILL 59, DuPage, IL
Built 2021 ADT: 105,400
I-290 EB
GoodOver: GRAND AVE
0.2 M SE OF IL 83, DuPage, IL
Built 1969 Load: 22.4 t ADT: 61,850
JACQUELINE DRIVE
GoodOver: ST.JOSEPH CREEK
400 FT S GILBERT, DuPage, IL
Built 1961 Load: 25.9 t ADT: 75
I-88 EB
GoodOver: SALT CREEK
1.3M.E.IL-83, DuPage, IL
Built 1958 Load: 26.9 t ADT: 59,550
GARY MILL RD
GoodOver: W BR DU PAGE RIVER
0.02 M E OF IL 59, DuPage, IL
Built 1988 Load: 30.1 t ADT: 5,600
GARY AV
GoodOver: WINFIELD CREEK
.83 MI SO OF GENEVA, DuPage, IL
Built 1999 Load: 30.1 t ADT: 10,200
IL 390 WB EOH
GoodOver: MEACHAM/MEDINAH RD
EAST OF ROSELLE RD, DuPage, IL
Built 1992 Load: 30.5 t ADT: 47,400
Walnut Avenue
GoodOver: Prentiss Creek
0.3 Mi. N. Hobson Rd, DuPage, IL
Built 1986 Load: 30.5 t ADT: 1,300
I-355 SB
GoodOver: ARMY TRAIL RD.
0.3M.W.OF IL-53, DuPage, IL
Built 1989 Load: 30.8 t ADT: 67,300
US 20 (LAKE ST)
GoodOver: WESTWOOD CREEK
1.1 M E OF IL 53, DuPage, IL
Built 2006 Load: 32.4 t ADT: 31,300
IL 19
GoodOver: NORDIC SPRING BROOK
0.5 M E OF I-290, DuPage, IL
Built 1925 Load: 32.4 t ADT: 13,400
IL 56
GoodOver: WILLOWAY BROOK
2 M W OF IL 53, DuPage, IL
Built 1990 Load: 32.4 t ADT: 26,800
IL 83
GoodOver: DRAINAGE DITCH
N OF 63RD ST, DuPage, IL
Built 1990 Load: 32.4 t ADT: 53,900
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.