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

I 70 ML WBND

Fair

Over: COUNTY ROAD 134

2.5 MI. W. OF GLENWOOD SP, Garfield, CO

Built 1969 Load: 35.4 t ADT: 16,500

COUNTY ROAD 49

Fair

Over: COMANCHE CANAL

1.3 MI N OF CR A, Kiowa, CO

Built 1991 Load: 35.4 t ADT: 264

CR 6400/RANGER RD

Fair

Over: MONTROSE AND DELTA CANAL

2 MI W OF US 550, Montrose, CO

Built 1983 Load: 35.4 t ADT: 264

US 50 ML

Fair

Over: OTERO CANAL

3.4 MI EAST OF FOWLER, Otero, CO

Built 1947 Load: 35.4 t ADT: 4,700

SH 96 ML

Fair

Over: ARROYO

1.9 MI E OF JCT SH 229 S, Pueblo, CO

Built 1939 Load: 35.4 t ADT: 1,600

US 85 ML

Fair

Over: DRAW

0.5 MI N OF PIERCE @ CR90, Weld, CO

Built 1971 Load: 35.4 t ADT: 5,200

County Road 4

Fair

Over: Denver Hudson Canal

1.1 Mi E of Co Rd 41, Weld, CO

Built 1965 Load: 35.4 t ADT: 229

US 160 ML

Fair

Over: TURKEY CREEK

7.5 MI E OF PAGOSA SPRING, Archuleta, CO

Built 1946 Load: 35.5 t ADT: 4,100

SH 65 ML

Fair

Over: GUNNISON RIVER

5 MI E OF DELTA, Delta, CO

Built 1980 Load: 35.5 t ADT: 7,000

I 25 ML

Fair

Over: GARDEN OF THE GODS ROAD

IN COLORADO SPRINGS, El Paso, CO

Built 1988 Load: 35.5 t ADT: 118,000

119 SR/CDOT ACC RD

Fair

Over: N FK CLEAR CREEK AR

0.1 MI N OF JCT US 6, Gilpin, CO

Built 1939 Load: 35.5 t ADT: 10

SH 470 ML WBND

Fair

Over: BELLEVIEW AVE

1.2 MI S OF JCT SH 285, Jefferson, CO

Built 1990 Load: 35.5 t ADT: 31,500

SH 96 ML

Fair

Over: ADOBE CREEK

2.3 MI NE OF ARLINGTON, Kiowa, CO

Built 1957 Load: 35.5 t ADT: 420

COUNTY ROAD 23

Fair

Over: MIDDLE RUSH CREEK

1.2 MILES N OF ROAD 2G, Lincoln, CO

Built 1993 Load: 35.5 t ADT: 53

COUNTY ROAD 11

Fair

Over: FOURMILE CREEK

.1 MI NORTH OF CR 112, Teller, CO

Built 1996 Load: 35.5 t ADT: 1,974

County Road 8

Fair

Over: Big Dry Creek

0.9 Mi E of Co Rd 21, Weld, CO

Built 1983 Load: 35.5 t ADT: 108

County Road 22

Fair

Over: Sullivan Ditch

0.1 Mi E of Co Rd 17, Weld, CO

Built 2002 Load: 35.5 t ADT: 263

County Road 37

Fair

Over: Larimer and Weld Canal

1.2 Mi N of Co Rd 78, Weld, CO

Built 2010 Load: 35.5 t ADT: 61

County Road 42

Fair

Over: Gilmore Ditch

10 Ft E of Co Rd 47, Weld, CO

Built 2001 Load: 35.5 t ADT: 1,464

E ALEXANDER DR

Fair

Over: MURPHY CREEK

0.4 E DEGAULLE ST, Arapahoe, CO

Built 2007 Load: 35.6 t ADT: 1,494

SH 93 ML

Fair

Over: PED. UNDERPASS

BROADWAY AND 16TH ST., Boulder, CO

Built 2013 Load: 35.6 t ADT: 27,000

COUNTY ROAD Z

Fair

Over: RIO GRANDE RIVER

11.5 MI NW OF SAN ACACIO, Costilla, CO

Built 1987 Load: 35.6 t ADT: 80

WB PENA BLVD

Fair

Over: SECOND CREEK TRIB

WEST OF TOWER ROAD, Denver, CO

Built 1993 Load: 35.6 t ADT: 50,608

I 70 ML EBND

Fair

Over: GAME UNDERPASS

3.6 MI EAST OF JCT US 6-G, Eagle, CO

Built 1979 Load: 35.6 t ADT: 11,000

I 70 ML WBND

Fair

Over: GAME UNDERPASS

3.5 MI W OF EAGLE SPUR, Eagle, CO

Built 1979 Load: 35.6 t ADT: 11,000

SH21B SBND RAMP

Fair

Over: PINE CREEK

S. BND. POWERS BLVD., El Paso, CO

Built 2005 Load: 35.6 t ADT: 18,500

RAMP TO SHOSHONE

Fair

Over: I 70, COLORADO RIVER R

POWER PLANT INTERCHANGE (, Garfield, CO

Built 1987 Load: 35.6 t ADT: 148

COUNTY ROAD 67

Fair

Over: SOUTH PLATTE RIVER

AT TOWN OF TRUMBULL, Jefferson, CO

Built 1990 Load: 35.6 t ADT: 800

County Rd 43

Fair

Over: N. Fork Big Thompson

Horseshoe Bend Rd, Larimer, CO

Built 2016 Load: 35.6 t ADT: 667

County Rd 43

Fair

Over: N. Fork Big Thompson

Horseshoe Bend Rd, Larimer, CO

Built 2016 Load: 35.6 t ADT: 600

County Road 6

Fair

Over: Dry Creek Tributary

0.2 Mi E of Co Rd 23E, Larimer, CO

Built 1988 Load: 35.6 t ADT: 2,684

COUNTY ROAD 11

Fair

Over: HORSE CREEK

1.8 MILES N OF COLO 94, Lincoln, CO

Built 1992 Load: 35.6 t ADT: 15

Cty Rd 8.5/Park Av

Fair

Over: Pawnee Ditch

0.5 Mi. E. of Co. Rd. 23, Logan, CO

Built 1996 Load: 35.6 t ADT: 302

SH 90 ML

Fair

Over: DRAW

2.2 MI E OF COLO-UTAH SL, Montrose, CO

Built 1956 Load: 35.6 t ADT: 260

Crystal River Rd.

Fair

Over: Crystal River

30 FT E OF SH133, Pitkin, CO

Built 1996 Load: 35.6 t ADT: 100

COUNTY ROAD 3

Fair

Over: WILEY DRAINAGE

.9 MI N OF US 50, Prowers, CO

Built 1998 Load: 35.6 t ADT: 102

GPG PARKING

Fair

Over: WETLANDS

JUST N OF MTN VILLAGE BLV, San Miguel, CO

Built 2019 Load: 35.6 t ADT: 595

144TH AVENUE

Fair

Over: BADGER CREEK

1.3 MI E OF WINVIEW ROAD, Adams, CO

Built 1978 Load: 35.7 t ADT: 21

WASHINGTON ST

Fair

Over: CLEAR CREEK

JUST S OF 70TH AVENUE, Adams, CO

Built 1970 Load: 35.7 t ADT: 17,956

BROMLEY LANE

Fair

Over: FULTON DITCH

1.5 MILES EAST OF SH 85, Adams, CO

Built 1996 Load: 35.7 t ADT: 13,417

I 76 ML EBND

Fair

Over: BNSF RR, RTD Light Rail

.2 MI W OF PECOS STREET, Adams, CO

Built 1989 Load: 35.7 t ADT: 38,500

COUNTY ROAD 175

Fair

Over: UTE CREEK

3.6 MI NE of SH 291, Chaffee, CO

Built 1990 Load: 35.7 t ADT: 136

COUNTY ROAD 16

Fair

Over: N. CONEJOS RIVER

2.4 MI N OF CR H, Conejos, CO

Built 1995 Load: 35.7 t ADT: 77

I 70 ML WBND

Fair

Over: COLORADO RIVER

DOTSERO, Eagle, CO

Built 1980 Load: 35.7 t ADT: 8,500

EDISON ROAD

Fair

Over: POND CREEK

0.1 MI S OF TROGILO ROAD, El Paso, CO

Built 1992 Load: 35.7 t ADT: 65

SH 114 ML

Fair

Over: COCHETOPA CREEK

0.4 MI SE OF JCT US 50, Gunnison, CO

Built 1992 Load: 35.7 t ADT: 470

COUNTY ROAD 74

Fair

Over: UPPER BEAR CREEK

4 MI W JCT EVRGN LAKE, Jefferson, CO

Built 1992 Load: 35.7 t ADT: 1,066

US 285 ML

Fair

Over: NORTH TURKEY CREEK ROAD

4.4 MILES SW OF SH 8, Jefferson, CO

Built 1995 Load: 35.7 t ADT: 26,000

US 350 ML

Fair

Over: DRAW

5.3 MI NE OF THATCHER, Las Animas, CO

Built 1987 Load: 35.7 t ADT: 470

I 70 ML EBND

Fair

Over: S FK REPUBLICAN RIVER

4.2 MI E OF ARRIBA, Lincoln, CO

Built 1975 Load: 35.7 t ADT: 4,200

Showing 4,101-4,150 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.