State profile · Below median Poor share

Colorado bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Colorado, based on the FHWA National Bridge Inventory.

8,965
Public bridges
32.0%
Good condition
4.3%
Poor condition

Data updated May 2026

Total Bridges

8,965

Public highway bridges in Colorado

Good Condition

32.0%

2,865 bridges rated 7-9

-18.0pp vs 50% benchmark

Poor Condition

4.3%

387 bridges whose lowest applicable component is rated 0-4

-2.7pp vs national avg 7.0%

Colorado vs national bridge condition

Colorado - Good condition share 32.0%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Colorado - Poor-condition share 14.4%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Colorado vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Colorado on the same metric.

TN

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426

MD

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527
Selected

CO

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

OR

Oregon

4.46% top marginal rate
Structure
Progressive
Burden @ $100K
$8,310

OH

Ohio

4.54% top marginal rate
Structure
Progressive
Burden @ $100K
$26,753

Bridges Needing Most Attention in Colorado

Six lowest-condition bridges in Colorado, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Colorado

COUNTY ROAD 29

Fair

Over: HOLBROOK CANAL

0.02 MI N OF CR 808, Otero, CO

Built 1990 Load: 32.8 t ADT: 5

US 50 ML

Fair

Over: WOLF CREEK

16 MI EAST OF LAMAR, Prowers, CO

Built 1967 Load: 32.8 t ADT: 2,000

COUNTY ROAD 3

Fair

Over: CHICO CREEK

10.3 MI NE OF HWY 50, Pueblo, CO

Built 1975 Load: 32.8 t ADT: 1,492

US 85 ML SBND

Fair

Over: CACHE LA POUDRE RIVER

N. EDGE OF GREELEY, Weld, CO

Built 1962 Load: 32.8 t ADT: 11,000

County Road 1

Fair

Over: Big Dry Creek

0.3 Mi N of Co Rd 20.5, Boulder, CO

Built 1995 Load: 32.9 t ADT: 9,859

I 70 ML EBND

Fair

Over: FALL RIVER ROAD

5.9 MI E OF JCT US 40, Clear Creek, CO

Built 1965 Load: 32.9 t ADT: 18,000

I 70 ML

Fair

Over: TENNYSON STREET

0.5 MI. E. OF HWY 95, Denver, CO

Built 1966 Load: 32.9 t ADT: 90,000

RAMP/I 70 ML EBND

Fair

Over: LINCOLN STREET

JUST EAST OF MOUSETRAP, Denver, CO

Built 1991 Load: 32.9 t ADT: 78,500

BIRCH AVENUE

Fair

Over: HAPPY CANYON CREEK

JUST WEST OF 3RD ST, Douglas, CO

Built 1989 Load: 32.9 t ADT: 316

DOUGLAS LANE

Fair

Over: EAST PLUM CREEK

0.2 MI E I-25 FRONTAGE RD, Douglas, CO

Built 1966 Load: 32.9 t ADT: 12

COUNTY ROAD 5

Fair

Over: CEBOLLA CREEK

15.4 MI NE OF LAKE CITY, Hinsdale, CO

Built 1967 Load: 32.9 t ADT: 47

FRANCISCO ST.

Fair

Over: CUCHARAS RIVER

0.1 MI W OF OAK STREET, Huerfano, CO

Built 1988 Load: 32.9 t ADT: 138

WEST VIRGINIA ST

Fair

Over: CUCHARAS RIVER

.1 MI W OF OAK STREET, Huerfano, CO

Built 1988 Load: 32.9 t ADT: 56

County Road 26

Fair

Over: Mutual Ditch

0.2 Mi W of St Hwy 14, Jackson, CO

Built 1993 Load: 32.9 t ADT: 75

County Road 17

Fair

Over: North Fork White River

0.1 Mi South of Co Rd 8, Rio Blanco, CO

Built 1990 Load: 32.9 t ADT: 141

US 40 ML

Fair

Over: N FK ELK RIVER

7.7 MI W OF Stmbt Sprngs, Routt, CO

Built 1976 Load: 32.9 t ADT: 5,100

SH 392 ML

Fair

Over: LONE TREE CREEK

5.5 MI E OF JCT US 85, Weld, CO

Built 1965 Load: 32.9 t ADT: 3,600

COUNTY ROAD J

Fair

Over: TRIB. WEST CARRIZO CREEK

NW OF CR 3.5/W OF CR 2.3, Baca, CO

Built 1970 Load: 33.0 t ADT: 29

COUNTY ROAD 52

Fair

Over: HORSE CREEK

2 MI N OF SH 160, Baca, CO

Built 1993 Load: 33.0 t ADT: 83

UNIVERSITY BLVD

Fair

Over: EAST HARVARD GULCH

UNIVERSITY AT VASSAR AVE, Denver, CO

Built 1967 Load: 33.0 t ADT: 27,146

I 70 AGATE SPUR

Fair

Over: BIJOU CREEK

0.1 MI E OF JCT S.H. 40, Elbert, CO

Built 1958 Load: 33.0 t ADT: 330

HIGHLAND AVENUE

Fair

Over: OIL CREEK DITCH

.2 MI E OF LINCOLN AVE, Fremont, CO

Built 1983 Load: 33.0 t ADT: 187

COUNTY ROAD 16

Fair

Over: SOUTH BOULDER CREEK

1.0 MI W OF SH 119, Gilpin, CO

Built 1989 Load: 33.0 t ADT: 379

US 40 ML

Fair

Over: COLORADO RIVER

0.9 MI E OF JCT SH 125, Grand, CO

Built 1995 Load: 33.0 t ADT: 3,800

County Road 37

Fair

Over: N. Sterling Outlet Canal

0.6 Mi N of Co Rd 46, Logan, CO

Built 1989 Load: 33.0 t ADT: 308

SH 266 ML

Fair

Over: ARKANSAS RIVER

2.2 MI NE OF ROCKY FORD, Otero, CO

Built 1972 Load: 33.0 t ADT: 380

County road 59

Fair

Over: Keensburg Canal

0.7 Mi So of Co Rd 18, Weld, CO

Built 2001 Load: 33.0 t ADT: 1,236

I 270 ML WBND

Fair

Over: WASHINGTON STREET

0.3 MI E. OF I 25, Adams, CO

Built 1998 Load: 33.1 t ADT: 37,500

COUNTY ROAD 35

Fair

Over: FT. LYON CANAL

0.3 MI N OF CR VV, Bent, CO

Built 1984 Load: 33.1 t ADT: 48

COUNTY ROAD 292B

Fair

Over: CHALK CREEK

.2 MI NW OF CR 162, Chaffee, CO

Built 1989 Load: 33.1 t ADT: 123

GARLAND STREET

Fair

Over: CLEAR CREEK

JUST N OF FRONTAGE RD, Clear Creek, CO

Built 1993 Load: 33.1 t ADT: 675

I 25 ML SBND

Fair

Over: APISHAPA RIVER

1.3 MILES SOUTH OF AGUILA, Las Animas, CO

Built 1959 Load: 33.1 t ADT: 6,000

I 70 ML EBND

Fair

Over: HIGHLINE CANAL

0.2 MI E of HORIZON DR., Mesa, CO

Built 1965 Load: 33.1 t ADT: 11,000

SH 141 ML

Fair

Over: UP RR

5.2 M E OF JCT SH 50, Mesa, CO

Built 1984 Load: 33.1 t ADT: 17,000

County Road 14

Fair

Over: Fort Morgan Canal

S of Junction St Hwy 144, Morgan, CO

Built 1993 Load: 33.1 t ADT: 2,038

Governor Basin Rd

Fair

Over: Sneffels Creek

2.4 MI Down CR26, Ouray, CO

Built 2007 Load: 33.1 t ADT: 120

CR 25/25TH LANE

Fair

Over: BESSEMER DITCH

Just S of South Road, Pueblo, CO

Built 1996 Load: 33.1 t ADT: 1,945

County Road 72

Fair

Over: New Cache La Poudre Cana

0.6 Mi E of Co Rd 47, Weld, CO

Built 2007 Load: 33.1 t ADT: 62

COUNTY ROAD 8

Fair

Over: BIG SANDY CREEK

0.5 MI S OF SH40/287, Cheyenne, CO

Built 1989 Load: 33.2 t ADT: 18

YOSEMITE ST

Fair

Over: HIGHLINE CANAL

.1 MI N OF CORNELL, Denver, CO

Built 1979 Load: 33.2 t ADT: 1,520

MONACO PARKWAY

Fair

Over: GOLDSMITH GULCH

AT COLO DR & JEWELL, Denver, CO

Built 1965 Load: 33.2 t ADT: 15,005

COLUMBINE ST

Fair

Over: EAST HARVARD GULCH

COLUMBINE ST N OF YALE, Denver, CO

Built 1967 Load: 33.2 t ADT: 805

County Road 202

Fair

Over: Kimball Creek

1.7 Mi West of Co Rd 204, Garfield, CO

Built 1992 Load: 33.2 t ADT: 30

US 550 ML

Fair

Over: DSNG RR

4 MI N OF HERMOSA, La Plata, CO

Built 1977 Load: 33.2 t ADT: 3,200

County Road 41

Fair

Over: N. Sterling Outlet Canal

0.2 Mi N of Co Rd 48, Logan, CO

Built 2000 Load: 33.2 t ADT: 29

County Road 81

Fair

Over: Harmony No. 1 canal

1.9 Mi N of US Hwy 138, Logan, CO

Built 1995 Load: 33.2 t ADT: 154

I 70 ML WBND

Fair

Over: COLORADO RIVER

JUST E OF DEBEQUE TUNNEL, Mesa, CO

Built 1985 Load: 33.2 t ADT: 8,500

SH 52 ML

Fair

Over: ROCK CREEK

16 MI E OF JCT SH 79, Morgan, CO

Built 1962 Load: 33.2 t ADT: 650

STAGESTOP ROAD

Fair

Over: JEFFERSON CREEK

0.4 MI W OF CR 77, Park, CO

Built 1989 Load: 33.2 t ADT: 336

88TH AVENUE

Fair

Over: TRIB OF LOST CREEK

0.2 MI W OF CONVERSE ROAD, Adams, CO

Built 1993 Load: 33.3 t ADT: 852

Showing 3,801-3,850 of 8,965 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge 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.