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

3310T: POWDERHORN

Fair

Over: Cebolla Creek

14 mi E of Lake City, CO, Hinsdale, CO

Built 2011 Load: 36.6 t ADT: 50

SH 71 ML

Fair

Over: APACHE CREEK

12.2 MI N OF PUNKIN CENTE, Lincoln, CO

Built 1958 Load: 36.6 t ADT: 700

SH 71 ML

Fair

Over: ROCKY FORD CANAL

0.8 MI NO OF JCT US 50 ML, Otero, CO

Built 1981 Load: 36.6 t ADT: 1,700

COUNTY ROAD 20

Fair

Over: ROCKY FORD HIGHLINE CANA

1.3 MI N OF SH 10, Otero, CO

Built 1967 Load: 36.6 t ADT: 52

I 70 ML WBND

Fair

Over: BOX ELDER CREEK

1 MI E OF WATKINS INTERCH, Adams, CO

Built 1960 Load: 36.7 t ADT: 13,000

EB BRONCOS PARKWAY

Fair

Over: CHERRY CREEK

.6 MI EAST OF JORDAN ROAD, Arapahoe, CO

Built 2004 Load: 36.7 t ADT: 7,923

Flatiron Parkwy

Fair

Over: Dry Creek

0.1 Mi E of N 55th Street, Boulder, CO

Built 1985 Load: 36.7 t ADT: 2,240

COUNTY ROAD 220

Fair

Over: N. FORK S. ARKANSAS RVR

.5 MI SE of US 50, Chaffee, CO

Built 1988 Load: 36.7 t ADT: 72

6THAVERMP TOI25 NB

Fair

Over: RAMP TO 8TH AVE R

IN DENVER, Denver, CO

Built 1988 Load: 36.7 t ADT: 114,000

PIKES PEAK DR

Fair

Over: SULPHUR GULCH

0.2 MI S OF E MAINSTREET, Douglas, CO

Built 1989 Load: 36.7 t ADT: 448

ALSACE WAY

Fair

Over: CHEYENNE CREEK

0.1 MI S OF CHEYENNE RD, El Paso, CO

Built 1995 Load: 36.7 t ADT: 8,300

I25 ML SBND

Fair

Over: ELLSTON ROAD

IN COLORADO SPRINGS, El Paso, CO

Built 1959 Load: 36.7 t ADT: 59,000

I 70 ML WBND

Fair

Over: PARACHUTE CREEK

1/2 MI W OF PARACHUTE INT, Garfield, CO

Built 1982 Load: 36.7 t ADT: 9,000

29 Road

Fair

Over: GRAND VALLEY CANAL

.6 MI N OF US 6, Mesa, CO

Built 1976 Load: 36.7 t ADT: 11,960

SH 141 ML

Fair

Over: GIBBLE GULCH

33.6 MI NE OF GATEWAY, Mesa, CO

Built 1953 Load: 36.7 t ADT: 540

COUNTY ROAD 16

Fair

Over: CATLIN CANAL

.2 MI N OF CR GG, Otero, CO

Built 1998 Load: 36.7 t ADT: 79

SH 82 ML

Fair

Over: SNOWMASS CREEK

N edge of Snowmass, Pitkin, CO

Built 2000 Load: 36.7 t ADT: 19,000

COUNTY ROAD 4/105

Fair

Over: FRYING PAN RIVER

3 MI E OF RUEDI RESERVOIR, Pitkin, CO

Built 1988 Load: 36.7 t ADT: 197

US 36 ML

Fair

Over: NORTH ST VRAIN CREEK

IN LYONS, Boulder, CO

Built 2007 Load: 36.8 t ADT: 9,000

County Road 5

Fair

Over: Roaring Fork River

0.2 Mi So of Co Rd, Jackson, CO

Built 1980 Load: 36.8 t ADT: 62

US 287 ML

Fair

Over: DEADMAN CREEK

23 MILES NORTH OF TEDS PL, Larimer, CO

Built 1960 Load: 36.8 t ADT: 3,900

I 70 ML WBND

Fair

Over: LAKE CREEK

0.7 MI W OF JCT US 40, Lincoln, CO

Built 1975 Load: 36.8 t ADT: 6,000

OLD STAGECOACH RD

Fair

Over: N FK S PLATTE RIVER

W OF BAILEY - S OF SH285, Park, CO

Built 1999 Load: 36.8 t ADT: 44

COUNTY ROAD 7S

Fair

Over: EMPIRE CANAL

.3 MI E OF CR 4E, Rio Grande, CO

Built 1968 Load: 36.8 t ADT: 41

SB AIRPORT BLVD

Fair

Over: SAND CREEK

0.5 MI NORTH OF COLFAX, Adams, CO

Built 1991 Load: 36.9 t ADT: 16,295

DARTMOUTH AVENUE

Fair

Over: WEST TOLLGATE CREEK

JUST E OF VENTURA STREET, Arapahoe, CO

Built 2000 Load: 36.9 t ADT: 6,440

FSR 703.1

Fair

Over: HOMESTAKE CREEK

0.5 MI W OF STH 24, Eagle, CO

Built 2011 Load: 36.9 t ADT: 117

SH 119 ML

Fair

Over: SOUTH BOULDER CREEK

ROLLINSVILLE, Gilpin, CO

Built 1989 Load: 36.9 t ADT: 3,100

COUNTY ROAD 252

Fair

Over: ANIMAS RIVER

.3 MI SE OF SH 550, La Plata, CO

Built 1983 Load: 36.9 t ADT: 1,734

US 287 ML

Fair

Over: STONEWALL CREEK

13.7 MILES NORTH OF TEDS, Larimer, CO

Built 1963 Load: 36.9 t ADT: 3,900

County Road 27

Fair

Over: Buckhorn Creek

2.9 Mi NW of Masonville, Larimer, CO

Built 1960 Load: 36.9 t ADT: 751

County Road 55

Fair

Over: Larson Draw

0.4 Mi N of US Hwy 138, Logan, CO

Built 1987 Load: 36.9 t ADT: 85

County Road 4

Fair

Over: Little Snake River

28.4 Mi West of St Hwy 13, Moffat, CO

Built 1976 Load: 36.9 t ADT: 288

SH 71 ML

Fair

Over: OTERO CANAL

2.7 MI NORTH OF JCT SH 10, Otero, CO

Built 1941 Load: 36.9 t ADT: 650

COUNTY ROAD EE.5

Fair

Over: CATLIN CANAL

.4 MI E OFCR 18, Otero, CO

Built 1994 Load: 36.9 t ADT: 304

I 25 ML

Fair

Over: DRAW

2 MI NO OF JCT SH 165, Pueblo, CO

Built 1926 Load: 36.9 t ADT: 15,000

CR 327 (AVONDALE)

Fair

Over: ARKANSAS RIVER

0.3 MI S OF SH 50, Pueblo, CO

Built 2005 Load: 36.9 t ADT: 933

WOODLAND AVENUE

Fair

Over: FOUNTAIN CREEK

1.8 MI S OF WOODLAND PARK, Teller, CO

Built 1994 Load: 36.9 t ADT: 396

I 76 ML

Fair

Over: BURLINGTON CANAL

0.7 MI NE OF JCT SH 2, Adams, CO

Built 1957 Load: 37.0 t ADT: 32,000

I 225 RAMP

Fair

Over: PEDESTRIAN UNDERPASS

IN AURORA, Arapahoe, CO

Built 2003 Load: 37.0 t ADT: 136,000

VOYAGER PKWY

Fair

Over: KETTLE CREEK

0.6 MI N OF BRIARGATE, El Paso, CO

Built 1996 Load: 37.0 t ADT: 19,087

GRIZZLY DRIVE

Fair

Over: DEER CREEK

JUST S OF DEER CK CANYON, Jefferson, CO

Built 1978 Load: 37.0 t ADT: 554

I 70 ML WBND

Fair

Over: EAST SPRING CREEK

2.7 MI. W. OF Stratton, Kit Carson, CO

Built 1965 Load: 37.0 t ADT: 4,350

US 138 ML

Fair

Over: LEWIS CREEK

6.2 MI NE OF JCT SH 113, Logan, CO

Built 1993 Load: 37.0 t ADT: 690

I 70 ML WBND

Fair

Over: UP RR

9.7 MI W OF PARACHUTE, Mesa, CO

Built 1980 Load: 37.0 t ADT: 9,000

SH 141 ML

Fair

Over: MESA CREEK

10 MI NW OF URAVAN, Montrose, CO

Built 1958 Load: 37.0 t ADT: 260

County Road 23

Fair

Over: Wildcat Creek

0.3 Mi No of Co Rd W, Morgan, CO

Built 1995 Load: 37.0 t ADT: 150

CITY STREET-PINE

Fair

Over: SAN MIGUEL RIVER

500 FT S of SH145, San Miguel, CO

Built 1985 Load: 37.0 t ADT: 148

HUDSON ROAD

Fair

Over: HENRYLYNN CANAL

0.1 MI N OF 164TH, Adams, CO

Built 2006 Load: 37.1 t ADT: 572

CHAMBERS RD

Fair

Over: EAST TOLLGATE CREEK

0.3 MI S OF 6TH AVE, Arapahoe, CO

Built 1983 Load: 37.1 t ADT: 20,506

Showing 4,251-4,300 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.