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

US 40 ML EBND

Fair

Over: HIGHLINE CANAL

1.7 E OF I225, Arapahoe, CO

Built 1935 Load: 37.1 t ADT: 10,500

COUNTY ROAD 105

Fair

Over: OAKLAND SCHOOL GULCH

0.1 MI S WOLFENSBERGER RD, Douglas, CO

Built 1990 Load: 37.1 t ADT: 4,343

County Road 32C

Fair

Over: Buckhorn Creek Trib.

Just W of CR27, Larimer, CO

Built 2007 Load: 37.1 t ADT: 170

County Road 55

Fair

Over: South Platte River

1.2 Mi S of Hwy 138, Logan, CO

Built 1990 Load: 37.1 t ADT: 345

CASTLE CK RD/CR 15

Fair

Over: CASTLE CREEK

3.5 MI SOUTH OF CO 82, Pitkin, CO

Built 1989 Load: 37.1 t ADT: 750

SH 10 ML

Fair

Over: SAUNDERS ARROYO

35 MI E OF WALSENBRG., Pueblo, CO

Built 1989 Load: 37.1 t ADT: 390

COUNTY ROAD S8

Fair

Over: DOLORES RIVER

1.1 MI NW OF SLICK ROCK, San Miguel, CO

Built 1957 Load: 37.1 t ADT: 10

County Road LL

Fair

Over: Arikaree River

1.75 M. N. of Co. Rd. 1, Washington, CO

Built 1998 Load: 37.1 t ADT: 16

County Road 28

Fair

Over: Platte Valley Canal

0.1 Mi E of US Hwy 85, Weld, CO

Built 2005 Load: 37.1 t ADT: 154

County Road 52

Fair

Over: Latham Inlet Ditch

At Junct. CR 45, Weld, CO

Built 1998 Load: 37.1 t ADT: 390

County Road 70

Fair

Over: New Cache La Poudre Cana

0.3 Mi E of Co Rd 43, Weld, CO

Built 1988 Load: 37.1 t ADT: 333

US 85 ML

Fair

Over: LEE GULCH

IN LITTLETON, Arapahoe, CO

Built 1939 Load: 37.2 t ADT: 44,000

US 50 ML

Fair

Over: MCCRAE ARROYO

10 MI EAST OF LAS ANIMAS, Bent, CO

Built 1937 Load: 37.2 t ADT: 2,600

WILCOX STREET

Fair

Over: SELLARS GULCH

S OF 2ND ST INTERSECTION, Douglas, CO

Built 1987 Load: 37.2 t ADT: 9,964

WB UINTAH ST

Fair

Over: MONUMENT CREEK

.1 MI E OF I-25, El Paso, CO

Built 2001 Load: 37.2 t ADT: 17,630

US 24 BUSINESS RT

Fair

Over: FOUNTAIN CREEK

SOUTH OF CASCADE, El Paso, CO

Built 1932 Load: 37.2 t ADT: 1,300

WEST PORTAL DRIVE

Fair

Over: NORTH INLET

Road to Adams Falls, Grand, CO

Built 1950 Load: 37.2 t ADT: 924

SH 59 ML

Fair

Over: BUFFALO CREEK

4.3 MI N OF SEIBERT, Kit Carson, CO

Built 1957 Load: 37.2 t ADT: 640

County Road 17

Fair

Over: Pawnee Creek

0.6 Mi. N. of Co. Rd. 24, Logan, CO

Built 1990 Load: 37.2 t ADT: 9

SH 13 ML

Fair

Over: YAMPA RIVER

2 MI S. OF CRAIG, Moffat, CO

Built 1972 Load: 37.2 t ADT: 2,800

COUNTY ROAD R13

Fair

Over: DOLORES RIVER

6.4 MI NW OF URAVAN, Montrose, CO

Built 1953 Load: 37.2 t ADT: 253

County Road 57

Fair

Over: Coal Creek

2.7 Mi N of St Hwy 14, Weld, CO

Built 1987 Load: 37.2 t ADT: 68

STEELE STREET

Fair

Over: NIVER CREEK

0.28 MI N of 78th PLACE, Adams, CO

Built 1999 Load: 37.3 t ADT: 1,868

I 76 ML

Fair

Over: WEST BURLINGTON CANAL

0.3 MI W OF JCT SH7, Adams, CO

Built 1935 Load: 37.3 t ADT: 28,000

I 25 ML NBND

Fair

Over: NEVADA AVE.

IN COLORADO SPRINGS, El Paso, CO

Built 2008 Load: 37.3 t ADT: 62,000

I 70 ML EBND

Fair

Over: HILLSIDE

2.3 MI E OF GLNWD TUNNLS, Garfield, CO

Built 1986 Load: 37.3 t ADT: 8,500

US 40 ML

Fair

Over: VASQUEZ CREEK

IN WINTER PARK, Grand, CO

Built 1938 Load: 37.3 t ADT: 11,000

CITY ST. 8 & HALF

Fair

Over: LAKE FORK GUNNISON RIVER

IN LAKE CITY, Hinsdale, CO

Built 1986 Load: 37.3 t ADT: 980

SH 59 ML

Fair

Over: E SPRING CREEK TRIB.

14.5 MI S OF JCT I 70, Kit Carson, CO

Built 1981 Load: 37.3 t ADT: 380

I 25 ML NBND

Fair

Over: 1ST ST

IN PUEBLO, Pueblo, CO

Built 1959 Load: 37.3 t ADT: 26,000

SH 141 ML

Fair

Over: NICHOLS WASH

4.5 MILES EAST OF SLICK R, San Miguel, CO

Built 1959 Load: 37.3 t ADT: 200

APACHE STREET

Fair

Over: SAN JUAN RIVER

IN PAGOSA SPRINGS, Archuleta, CO

Built 1998 Load: 37.4 t ADT: 2,553

SH 119 ML NBND

Fair

Over: LEFT HAND CREEK

3.6 MI NE OF JCT SH 52, Boulder, CO

Built 1959 Load: 37.4 t ADT: 14,000

COUNTY ROAD 16

Fair

Over: EASTDALE CANAL

1 MI S OF CR SH 142, Costilla, CO

Built 1987 Load: 37.4 t ADT: 4

SHOUP ROAD

Fair

Over: BURGESS CREEK

0.5 MI E OF BLACK FS ROAD, El Paso, CO

Built 1997 Load: 37.4 t ADT: 917

SH 71 ML

Fair

Over: ARICKAREE RIVER

9 MI N OF LIMON, Lincoln, CO

Built 1987 Load: 37.4 t ADT: 1,300

US 385 ML

Fair

Over: UP RR

IN JULESBURG, Sedgwick, CO

Built 1988 Load: 37.4 t ADT: 1,400

YORK STREET

Fair

Over: O BRIAN CANAL

0.5 MI N OF BRIGHTON BLVD, Adams, CO

Built 1991 Load: 37.5 t ADT: 8,359

112TH AVENUE

Fair

Over: BIG DRY CREEK

.25 MI E OF SHERIDAN, Adams, CO

Built 2002 Load: 37.5 t ADT: 16,790

US 36 ML

Fair

Over: HIGHLAND CANAL

1.2 MI SE OF JCT SH 7 LYO, Boulder, CO

Built 1972 Load: 37.5 t ADT: 15,000

SH 94 ML

Fair

Over: AROYA GULCH

0.9 MI W OF JCT US 40, Cheyenne, CO

Built 1968 Load: 37.5 t ADT: 440

CR 389/GREENWOOD

Fair

Over: HARDSCRABBLE CREEK

0.5 MI S OF SH 96, Custer, CO

Built 1990 Load: 37.5 t ADT: 94

I 70 ML WBND

Fair

Over: UNA CROSS ROAD

4.5 MI W OF PARACHUTE, Garfield, CO

Built 1982 Load: 37.5 t ADT: 9,000

ISABELL ST

Fair

Over: LENA GULCH

JUST S. OF 13TH AVE, Jefferson, CO

Built 1994 Load: 37.5 t ADT: 12,150

SH 340 ML

Fair

Over: COLORADO RIVER

1.9 MI E OF JCT US 6 FRUI, Mesa, CO

Built 1970 Load: 37.5 t ADT: 12,000

COUNTY ROAD 33

Fair

Over: FORT LYON CANAL

6 MI SW OF CR DD, Otero, CO

Built 2007 Load: 37.5 t ADT: 42

County Road 38

Fair

Over: Boulder Creek

1.5 Mi W of Co Rd 901, Boulder, CO

Built 1988 Load: 37.6 t ADT: 1,640

Winding Trail Dr

Fair

Over: Wonderland Creek

300 ft W of 28th, Boulder, CO

Built 2018 Load: 37.6 t ADT: 632

ELITCH CIRCLE

Fair

Over: ELITCH PARKING LOT

.5 MI E OF I-25 S OF SPEE, Denver, CO

Built 1995 Load: 37.6 t ADT: 956

47TH AVE

Fair

Over: SOUTH PLATTE RIVER

DENVER, Denver, CO

Built 1962 Load: 37.6 t ADT: 6,400

Showing 4,301-4,350 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.