Total bridges
936
Public highway bridges in Hennepin County
County profile · official public datasets
936 public highway bridges tracked in the FHWA National Bridge Inventory: 40.6% rated Good, 55.3% Fair, 4.1% Poor.
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Hennepin County posts a higher-than-median Poor-condition share among rated counties in the state across large county bridge inventory.
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.
According to the Federal Highway Administration's 2024 National Bridge Inventory, Hennepin County ranks #44 of 87 Minnesota counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 4.1%). Hennepin County, Minnesota contains 936 public highway bridges. Roughly 40.6% are rated “Good,” 55.3% “Fair,” and 4.1% “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.
Total bridges
936
Public highway bridges in Hennepin County
Good condition
40.6%
380 of 936 rated 7-9
Fair condition
55.3%
518 of 936 rated 5-6
Poor condition
4.1%
38 of 936 rated 4 or below
In-state Poor-share rank
#44 of 87
Among Minnesota counties with 5+ bridges, lower share ranks better
Share of 936 NBI-tracked bridges by lowest applicable component rating.
That is 1.6% of the county's reported daily bridge traffic on 4.1% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 8,814 crossings a day against 22,491 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 936 of 936 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
292 of the 936 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 40.6% 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.
I 494 over Minnesota River, built 1981, carries 44,357 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 38-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 334,931 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
936 bridges with a recorded construction year, grouped by decade
Built before 1900
3 bridges
1900–1909
5 bridges
1910–1919
30 bridges
1920–1929
18 bridges
1930–1939
9 bridges
1940–1949
6 bridges
1950–1959
24 bridges
1960–1969
149 bridges
1970–1979
92 bridges
1980–1989
199 bridges
1990–1999
119 bridges
2000–2009
148 bridges
2010–2019
88 bridges
2020–2029
46 bridges
What this shows Construction peaked in the 1980s, when 199 of the county's bridges still in the inventory were built, which is 21.3% of those with a recorded year. That cohort is now 35 to 44 years old in the 2024 inventory. Its average build year (1984) matches the Minnesota average (1986).
The 5 Minnesota counties nearest Hennepin County in number of bridges, with their condition splits. Its 4.1% Poor share is the 3rd-lowest of these 6. Its average build year of 1984 against a peer-group mean of 1986 is in line with the group.
Showing the 5 closest of 86 Minnesota counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Hennepin County (this page) | 936 | 40.6% | 55.3% | 4.1% | 1984 |
| St. Louis County | 663 | 50.4% | 42.8% | 6.8% | 1987 |
| Olmsted County | 365 | 64.1% | 34.5% | 1.4% | 1985 |
| Fillmore County | 348 | 33.3% | 63.8% | 2.9% | 1984 |
| Mower County | 343 | 44.6% | 47.2% | 8.2% | 1988 |
| Ramsey County | 341 | 35.5% | 58.1% | 6.5% | 1984 |
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 Hennepin County's. Source: FHWA National Bridge Inventory, 2024 release.
Two NBI-derived peer sets for Hennepin County, both outside Minnesota so the neighborhoods are not the same-state size table above.
Nearest county inventories outside MN (936 bridges here).
Nearest mean year-built outside MN (1984 here).
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
Over: Bus Connection
0.7 MI W OF JCT TH 494, Hennepin, MN
Over: SB 169 to EB TH 13
5.5 MI S OF JCT TH 494, Hennepin, MN
Over: US 169
AT THE JCT TH 610; 169, Hennepin, MN
Over: TH 252 SB
0.3 MI S OF JCT TH 694, Hennepin, MN
Over: CP RAIL; BASS CREEK
1.5 MI N OF JCT CSAH 9, Hennepin, MN
Over: I 494
AT THE JCT OF TH 169; 494, Hennepin, MN
Over: Bloomington Road
0.2 MI NW OF JCT TH 5, Hennepin, MN
Over: US 212
.86 MI SW OF JCT TH 5, Hennepin, MN
Over: WALLACE RD
2.5 MI W OF JCT TH 494, Hennepin, MN
Over: 2ND ST
1.2 MI NE JCT I94; I35W, Hennepin, MN
Over: WATER WORKS PARK TRAIL
0.1 MI SE OF 3RD AVE S, Hennepin, MN
Over: GODFREY PARKWAY
0.3 MI W OF COUNTY LINE, Hennepin, MN
Over: MIDTOWN GREENWAY
0.1 MI N OF LAKE ST, Hennepin, MN
Over: Shingle Creek
0.6 MI W OF JCT TH 100, Hennepin, MN
Over: I 35W HUMBOLT; BLOOM
0.4 MI S OF JCT TH 494, Hennepin, MN
Over: 2ND ST
1.2 MI NE JCT I94; I35W, Hennepin, MN
Over: KNOX AVE (BRT)
0.18 MI W OF JCT I35W, Hennepin, MN
Over: NE SIBLEY ST
0.2 MI W OF JCT CSAH 23, Hennepin, MN
Over: E LAKE ST
1.3 MI S OF JCT I 94, Hennepin, MN
Over: General Mills Blvd
0.5 Mi East of Jct TH 169, Hennepin, MN
Over: MINNEHAHA CREEK
2.3 MI S OF LAKE ST, Hennepin, MN
Over: 2ND ST
1.2 MI NE JCT I94; I35W, Hennepin, MN
Over: TH 5 WB RAMP
0.1 MI SW OF JCT TH 55, Hennepin, MN
Over: TH 62; WB ON RMAP
AT THE JCT TH 62; 55, Hennepin, MN
Over: AMERICAN BLVD
0.2 MI S OF JCT TH 494; 7, Hennepin, MN
Over: PEDESTRIAN
0.6 MI W OF JCT US 169, Hennepin, MN
Over: S FRONTAGE RD
AT THE JCT TH 169; 394, Hennepin, MN
Over: MIDTOWN GREENWAY
0.1 MI N OF LAKE ST, Hennepin, MN
Over: CSAH 81 EB
1.7 MI E OF JCT TH 94, Hennepin, MN
Over: LRT
1.4 MI E OF JCT I 494, Hennepin, MN
Read our methodology - how this data is sourced, computed, and verified.
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.