County profile · official public datasets

Dubois County, IN

220 public highway bridges tracked in the FHWA National Bridge Inventory: 49.5% rated Good, 47.3% Fair, 3.2% Poor.

220
Public bridges
49.5%
Good condition
3.2%
Poor condition

The verdict

According to the Federal Highway Administration's 2024 National Bridge Inventory.

Dubois County posts a better-than-median Poor-condition share among rated counties in the state across mid-size county bridge inventory.

Top 32%
lowest Poor share in state
3.2%
Poor-condition share
220
public highway bridges
1982
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.

Dubois County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Dubois County ranks #29 of 92 Indiana counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 3.2%). Dubois County, Indiana contains 220 public highway bridges. Roughly 49.5% are rated “Good,” 47.3% “Fair,” and 3.2% “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.

Total bridges

220

Public highway bridges in Dubois County

Good condition

49.5%

109 of 220 rated 7-9

Fair condition

47.3%

104 of 220 rated 5-6

Poor condition

3.2%

7 of 220 rated 4 or below

In-state Poor-share rank

#29 of 92

Among Indiana counties with 5+ bridges, lower share ranks better

Condition distribution

Share of 220 NBI-tracked bridges by lowest applicable component rating.

Good
49.5% (109)
Fair
47.3% (104)
Poor
3.2% (7)

Dubois County's Poor-condition bridges carry 2,142 vehicle crossings a day

That is 0.6% of the county's reported daily bridge traffic on 3.2% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 306 crossings a day against 1,662 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 220 of 220 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

30.5% of Dubois County's bridges have passed the 50-year mark

67 of the 220 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 49.5% 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 43.3% of the county's Poor-condition bridge traffic

DIVISION Rd over CROOKED Creek, built 1991, carries 928 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 7-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 2,142 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

When Dubois County's bridges were built

220 bridges with a recorded construction year, grouped by decade

bridges

What this shows Construction peaked in the 1990s, when 60 of the county's bridges still in the inventory were built, which is 27.3% of those with a recorded year. That cohort is now 25 to 34 years old in the 2024 inventory. Its average build year (1982) matches the Indiana average (1978).

Source FHWA National Bridge Inventory (year built) As of 2024 NBI release

How Dubois County compares with Indiana's closest counties by inventory size

The 5 Indiana counties nearest Dubois County in number of bridges, with their condition splits. Its 3.2% Poor share is the 2nd-lowest of these 6. Its average build year of 1982 against a peer-group mean of 1976 is 6 years newer.

Showing the 5 closest of 91 Indiana counties eligible for comparison.

Bridge inventory size and condition shares for Dubois County and the 5 Indiana counties closest to it in inventory size
County Bridges Poor
LaPorte County 227 6.6%
Daviess County 221 0%
Decatur County 220 6.8%
Dubois County (this page) 220 3.2%
Sullivan County 217 5.1%
White County 214 3.7%

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 Dubois 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 Dubois County, both outside Indiana so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside IN (220 bridges here).

Similar average build year

Nearest mean year-built outside IN (1982 here).

Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.

All bridges (220)

CR 350S

Fair

Over: FLAT Creek

01.10 E of SR 162, Dubois, IN

Built 1969 Load: 33.3 t ADT: 446

SR 545

Fair

Over: BAILEY CREEK

04.41 N SR 164, Dubois, IN

Built 1983 Load: 33.4 t ADT: 506

SR 145

Fair

Over: ANDERSON RIVER

02.01 S SR64, Dubois, IN

Built 1968 Load: 33.7 t ADT: 571

CLUB Rd

Fair

Over: INDIAN Creek

00.70 N of CR 825 S, Dubois, IN

Built 1980 Load: 33.7 t ADT: 649

SR 545

Fair

Over: BRANCH POLSON CREEK

02.90 S SR56, Dubois, IN

Built 1983 Load: 34.3 t ADT: 3,694

CR 450W

Fair

Over: CROOKED Creek

00.40 E of CR 490 W, Dubois, IN

Built 1963 Load: 34.3 t ADT: 314

CR 1050E

Fair

Over: CANE CREEK

00.60 S of CUZCO NORTON R, Dubois, IN

Built 1930 Load: 34.3 t ADT: 65

HOLLAND Rd SW

Fair

Over: SUGAR Creek

00.20 E of CR 800 W, Dubois, IN

Built 1920 Load: 34.9 t ADT: 216

SR 162

Fair

Over: INDIAN CREEK

01.66 E SR 264, Dubois, IN

Built 1948 Load: 35.0 t ADT: 10,806

I-64 WB

Fair

Over: CR 285 E

00.82 E SR 162, Dubois, IN

Built 1972 Load: 35.0 t ADT: 6,993

I-64 WB

Fair

Over: FERDINAND RUN & ROAD

03.43 E SR 162, Dubois, IN

Built 1973 Load: 35.0 t ADT: 6,993

SR 56

Fair

Over: SUGAR CREEK

02.61 E SR 545, Dubois, IN

Built 1988 Load: 35.3 t ADT: 2,782

SR 56

Fair

Over: DRAINAGE DITCH

00.89 E SR 545, Dubois, IN

Built 1997 Load: 35.6 t ADT: 2,782

CR 150N

Fair

Over: ALTAR CREEK

00.40 E of CR 600 W, Dubois, IN

Built 1925 Load: 36.8 t ADT: 569

CR 50N

Fair

Over: FLAT Creek

00.70 W of CR 750 W, Dubois, IN

Built 1975 Load: 37.6 t ADT: 268

US 231

Fair

Over: HUNLEY CREEK

02.78 N SR 64, Dubois, IN

Built 1964 Load: 37.9 t ADT: 13,624

1ST ST

Fair

Over: BRUNER CREEK

01.00 E of CHERRY St, Dubois, IN

Built 1940 Load: 37.9 t ADT: 141

CONSERVATION CL RD

Fair

Over: WADDLE BRANCH

00.30 W SR 145, Dubois, IN

Built 1970 Load: 38.6 t ADT: 76

SR 64

Fair

Over: ELL CREEK

01.95 E SR 161, Dubois, IN

Built 1953 Load: 38.9 t ADT: 5,299

SR 64

Fair

Over: BRANCH FLAT CREEK

01.92 E SR 162, Dubois, IN

Built 1939 Load: 38.9 t ADT: 5,622

CR 600W

Fair

Over: PATOKA River

01.10 N of CR 100 S, Dubois, IN

Built 1969 Load: 39.6 t ADT: 928

ST ANTHONY Rd W

Fair

Over: HALL Creek

00.40 S of SCHNELLVILLE R, Dubois, IN

Built 2003 Load: 40.5 t ADT: 268

SR 545

Fair

Over: BRANCH POLSON CREEK

04.59 S SR56, Dubois, IN

Built 1983 Load: 41.1 t ADT: 506

CR 600W

Fair

Over: No Name Ditch

00.70 N of DUFF Rd. SE., Dubois, IN

Built 1991 Load: 41.5 t ADT: 905

CR 175S

Fair

Over: Branch of HALL Creek

00.20 E of CR 820 E, Dubois, IN

Built 1984 Load: 41.5 t ADT: 76

CR 540E

Fair

Over: FRIDAY Branch

00.50 N of FERDINAND RdE, Dubois, IN

Built 1975 Load: 42.1 t ADT: 173

CR 1200S

Fair

Over: N FORK LITTLE PIGEON CR

01.50 E SR 161, Dubois, IN

Built 1991 Load: 42.8 t ADT: 81

15th St

Fair

Over: PATOKA River

00.50 W of MERIDIAN Rd, Dubois, IN

Built 1970 Load: 42.8 t ADT: 5,520

CR 650S

Fair

Over: ELL Creek

00.90 E of SR 161, Dubois, IN

Built 1995 Load: 44.7 t ADT: 38

NEWTON ST

Fair

Over: PATOKA RIVER

00.10 S of 2ND St., Dubois, IN

Built 1998 Load: 44.7 t ADT: 6,978

SCHNELL Rd

Fair

Over: HALL Creek

00.30 S of SCHNELLVILLE R, Dubois, IN

Built 1997 Load: 45.4 t ADT: 152

CR 1100E

Fair

Over: Branch of DAVIS Creek

00.40 N of SR 56, Dubois, IN

Built 1930 Load: 45.7 t ADT: 211

MERIDIAN Rd

Fair

Over: JOHN Creek

00.40 N of SR 162, Dubois, IN

Built 2004 Load: 46.4 t ADT: 6,495

ELLSWORTH Rd

Fair

Over: PINNICK Creek

00.10 E of DUBOIS Rd SE, Dubois, IN

Built 1994 Load: 47.4 t ADT: 97

CR 400E

Fair

Over: WOLFE CREEK

02.30 N CR 725 N, Dubois, IN

Built 1995 Load: 47.7 t ADT: 65

CR 150N

Fair

Over: Little FLAT Creek

00.80 W of CR 750 W, Dubois, IN

Built 1978 Load: 48.3 t ADT: 97

DIVISION RD

Fair

Over: ALTAR CREEK

00.10 E of CR 620 W, Dubois, IN

Built 1935 Load: 48.4 t ADT: 119

ST ANTHONY Rd N

Fair

Over: Branch of FLAT Creek

00.50 N of SANTINE Rd., Dubois, IN

Built 1983 Load: 48.7 t ADT: 314

CELESTINE Rd S

Fair

Over: Branch of HALL Creek

01.00 S of SR 164, Dubois, IN

Built 1988 Load: 51.0 t ADT: 1,072

CR 600E

Fair

Over: GRASSY Fork HALL Creek

00.70 S of SCHNELLVILLE R, Dubois, IN

Built 1993 Load: 51.3 t ADT: 5

CR 150N

Fair

Over: Tributary of FLAT Creek

00.50 E of CR 750 W, Dubois, IN

Built 1994 Load: 51.3 t ADT: 522

CR 600N

Fair

Over: E FORK MILL CREEK

01.70 E SR 56, Dubois, IN

Built 1992 Load: 53.3 t ADT: 108

CELESTINE Rd N

Fair

Over: BAUER Creek

00.80 S of SR 545, Dubois, IN

Built 1963 Load: 54.2 t ADT: 844

CR 350E

Fair

Over: GREEN Creek

00.10 N of SR 264, Dubois, IN

Built 1992 Load: 54.2 t ADT: 60

CR 650W

Fair

Over: ELL Creek

00.40 N of SR 64, Dubois, IN

Built 1992 Load: 55.2 t ADT: 776

CR 900S

Fair

Over: SUGAR Creek

01.00 W of SR 161, Dubois, IN

Built 1921 Load: 55.9 t ADT: 227

CR 800W

Fair

Over: SULPHUR SPRINGS Branch

00.20 S of CR 50 N, Dubois, IN

Built 1993 Load: 56.5 t ADT: 200

SANTINE Rd

Fair

Over: GRASSY Fork HALL Creek

00.50 S of SCHNELLVILLE R, Dubois, IN

Built 1962 Load: 57.5 t ADT: 617

ELL CREEK ROAD

Fair

Over: ELL CREEK

00.30 E OF CR 525 W, Dubois, IN

Built 1980 Load: 57.8 t ADT: 50

HARTS GRAVEL Rd

Fair

Over: Lick Fork

02.50 N SCHNELLVILLE RD, Dubois, IN

Built 1993 Load: 59.4 t ADT: 16
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.