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 4W

Fair

Over: RIO GRANDE CANAL

.7 MI N OF CR 8N, Rio Grande, CO

Built 1966 Load: 48.9 t ADT: 184

US 40 ML

Fair

Over: DRAW

0.3 MI E JCT I-70, Lincoln, CO

Built 1972 Load: 49.0 t ADT: 3,700

CO RD 42

Fair

Over: TOMICHI CREEK

5.8 MI NW OF PARLIN, Gunnison, CO

Built 1994 Load: 49.1 t ADT: 253

ALKIRE STREET

Fair

Over: CROKE CANAL

0.8 MI N OF 72ND AVE, Jefferson, CO

Built 1992 Load: 49.2 t ADT: 4,326

SH 71 ML

Fair

Over: DRAW

4.2 MI NORTH OF LIMON, Lincoln, CO

Built 1975 Load: 49.2 t ADT: 1,300

County Road 60

Fair

Over: Boxelder Creek

0.1 Mi East of I-25, Larimer, CO

Built 1988 Load: 49.3 t ADT: 1,942

COUNTY RD 36.0

Fair

Over: PURGATOIRE RIVER

.4 MI S OF CR 75.1, Las Animas, CO

Built 1994 Load: 49.3 t ADT: 59

County Road F

Fair

Over: Bijou Creek

1.1 Mi E of Co Rd 6, Morgan, CO

Built 1990 Load: 49.3 t ADT: 73

I 76 ML

Fair

Over: DRAW

2.5 MI NE OF JCT US 385, Sedgwick, CO

Built 1969 Load: 49.3 t ADT: 9,200

MISSION PKWY

Fair

Over: MEADOWOOD CREEK

AT N END OF ALICIA PARK, Arapahoe, CO

Built 1974 Load: 49.4 t ADT: 1,640

LONG ROAD

Fair

Over: HIGHLINE CANAL

.3 MI E UNIVERSITY BLVD, Arapahoe, CO

Built 1990 Load: 49.4 t ADT: 4,020

COUNTY ROAD 30

Fair

Over: ARKANSAS RIVER

1 MI S OF CR JJ, Bent, CO

Built 1970 Load: 49.4 t ADT: 73

SH 52 ML

Fair

Over: WHITE ROCK BOULDER DITCH

NIWOT AT 79th ST INT, Boulder, CO

Built 1965 Load: 49.4 t ADT: 8,900

CO RD 32

Fair

Over: GUNNISON RIVER

.1 mile south of SH 50, Gunnison, CO

Built 1985 Load: 49.4 t ADT: 367

SIMMS STREET

Fair

Over: LEYDEN CREEK

0.15 MI S. OF 72ND AVE, Jefferson, CO

Built 2007 Load: 49.4 t ADT: 10,304

COUNTY RD 69.0

Fair

Over: RATON CREEK

.1 MI SW CR 69.1 CR 18.3, Las Animas, CO

Built 2000 Load: 49.4 t ADT: 122

NB BUCKLEY ROAD

Fair

Over: WEST TOLLGATE CREEK

0.2 MI N OF ILIFF AVE, Arapahoe, CO

Built 1981 Load: 49.6 t ADT: 12,425

CNTY ROAD 33 LN

Fair

Over: BESSEMER DITCH

.4 MI S OF SOUTH RD, Pueblo, CO

Built 2001 Load: 49.6 t ADT: 114

COUNTY ROAD 42

Fair

Over: WOLF CREEK

2.4 MILES E OF CR 137, Arapahoe, CO

Built 1950 Load: 49.7 t ADT: 87

SH 69 ML

Fair

Over: WILMER GULCH

4.3 MI S. OF WESTCLIFFE, Custer, CO

Built 2006 Load: 49.7 t ADT: 850

COUNTY RD 41.7

Fair

Over: SARCILLO CANYON CREEK

5.2 MI NW OF SAN JUAN, Las Animas, CO

Built 1991 Load: 49.7 t ADT: 134

Barlow Road

Fair

Over: Upper Platte Beaver Cana

0.1 Mi N of E. 8th Ave, Morgan, CO

Built 2000 Load: 49.7 t ADT: 10,679

Pahwintah Street

Fair

Over: Soda Creek

200 ft So of Merrit St, Routt, CO

Built 1979 Load: 49.7 t ADT: 463

US 85 ML

Fair

Over: DRAW

4.5 MI N.W. OF JCT S.H. 6, Douglas, CO

Built 2013 Load: 49.9 t ADT: 20,000

SH 145 ML

Fair

Over: SAN MIGUEL RIVER

4.8 MI E. OR NORWOOD, San Miguel, CO

Built 1942 Load: 49.9 t ADT: 1,800

County Road 54

Fair

Over: Latham Ditch

1.8 Mi E of Co Rd 41, Weld, CO

Built 1986 Load: 49.9 t ADT: 2,613

SH 88-FEDERAL BLVD

Fair

Over: SANDERSON GULCH

Federal N of Evans Ave, Denver, CO

Built 1957 Load: 50.0 t ADT: 33,000

US 138 ML

Fair

Over: SPRING CANYON CREEK

5.6 MI N OF PROCTOR, Logan, CO

Built 1979 Load: 50.0 t ADT: 450

US 85 ML

Fair

Over: SECOND CREEK

5.2 MI NO OF JCT I-76, Adams, CO

Built 1953 Load: 50.1 t ADT: 34,000

LINK ROAD

Fair

Over: JIMMY CAMP CREEK

.5 MI S OF MARKSHEFFEL RD, El Paso, CO

Built 1997 Load: 50.1 t ADT: 5,582

County Road 6W

Fair

Over: South Fork Big Creek

18.3 Mi W St Hwy 125, Jackson, CO

Built 1977 Load: 50.1 t ADT: 130

COUNTY RD 75.0

Fair

Over: CHICOSA CANYON CREEK

.7 MI N OF HOEHNE RD, Las Animas, CO

Built 1993 Load: 50.1 t ADT: 20

SH 9 ML

Fair

Over: TENMILE CREEK

IN FRISCO, Summit, CO

Built 1980 Load: 50.1 t ADT: 24,000

US 36 ML

Fair

Over: DRAW

9.7 MI E OF JCT I-70, Adams, CO

Built 1983 Load: 50.2 t ADT: 1,900

VRAIN STREET

Fair

Over: LOCAL DRAINAGE

.3 MI E SHERIDAN S 120TH, Adams, CO

Built 1997 Load: 50.2 t ADT: 7,063

I 70 ML

Fair

Over: SAND CREEK

DENVER, Denver, CO

Built 2011 Load: 50.2 t ADT: 147,000

US 24 ML WBND

Fair

Over: FOUNTAIN CREEK

0.4 MI SE OF PIKES PEAK T, El Paso, CO

Built 1965 Load: 50.2 t ADT: 11,500

SH 109 ML

Fair

Over: DRAW

25.6 MI S OF LA JUNTA, Otero, CO

Built 1973 Load: 50.2 t ADT: 350

WHITEROCK AVE

Fair

Over: COAL CREEK

IN CITY OF CRESTED BUTTE, Gunnison, CO

Built 1992 Load: 50.3 t ADT: 1,167

DEPEW ST

Fair

Over: SLOANS LAKE DRAINAGE

JUST S OF 18TH AVENUE, Jefferson, CO

Built 1982 Load: 50.3 t ADT: 2,639

Commerce Street

Fair

Over: Pine Ridge Gulch

60 Ft S of First Street, Moffat, CO

Built 1980 Load: 50.3 t ADT: 360

CR 344/THACKER RD

Fair

Over: GRANEROS CREEK

5.8 MI ESE OF RYE, Pueblo, CO

Built 1999 Load: 50.3 t ADT: 280

COUNTY ROAD 162

Fair

Over: CHALK CREEK

NEAR MT. PRINCETON HOT SP, Chaffee, CO

Built 1990 Load: 50.4 t ADT: 1,459

COUNTY ROAD 25

Fair

Over: WEST KIOWA CREEK

SOUTH OF TOWN OF ELBERT, Elbert, CO

Built 1987 Load: 50.4 t ADT: 1,858

US 36 ML

Fair

Over: BADGER CREEK

13.7 MI W OF LAST CHANCE, Arapahoe, CO

Built 1986 Load: 50.5 t ADT: 790

COUNTY ROAD E.5

Fair

Over: RIO SAN ANTONIO

0.9 MI S OF ANTONITO, Conejos, CO

Built 1994 Load: 50.5 t ADT: 54

COUNTY LANE 10

Fair

Over: DAYTON LATERAL

1.5 MI N. OF SH 96, Crowley, CO

Built 1991 Load: 50.5 t ADT: 50

SH 138 ML

Fair

Over: DRAW

2 MI NE OF JCT SH 59, Sedgwick, CO

Built 2007 Load: 50.5 t ADT: 720

COUNTY ROAD JJ

Fair

Over: FT. LYON CANAL

.7 MI W OF CR 5.5, Bent, CO

Built 1996 Load: 50.6 t ADT: 2

US 24 ML EBND

Fair

Over: FOUNTAIN CREEK

2.6 MI SE OF PIKES PEAK-T, El Paso, CO

Built 1965 Load: 50.6 t ADT: 11,500

Showing 5,101-5,150 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.