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

SH 71 ML

Fair

Over: BIG BEAVER CREEK

27.6 MI NO OF JCT US 36, Morgan, CO

Built 1953 Load: 25.8 t ADT: 1,000

COUNTY ROAD 1

Fair

Over: ROCKY FORD HIGHLINE CANA

.8 MI S OF CR LL, Otero, CO

Built 1974 Load: 25.8 t ADT: 24

County Road 49

Fair

Over: Frenchman Creek

0.9 Mi. No. of Co. Rd. 18, Phillips, CO

Built 1986 Load: 25.8 t ADT: 99

US 36 ML

Fair

Over: PLUMBUSH CREEK

2.5 MI E OF JCT SH 71, Washington, CO

Built 1938 Load: 25.8 t ADT: 700

CAMERON DRIVE

Fair

Over: BRIGHTON LATERAL

0.8 MI NORTH OF 120TH AVE, Adams, CO

Built 1994 Load: 25.9 t ADT: 117

WINVIEW ROAD

Fair

Over: WETZEL CREEK TRIBUTARY

3.1 MILES NORTH OF US36, Adams, CO

Built 1997 Load: 25.9 t ADT: 14

HUDSON ROAD

Fair

Over: BOX ELDER CREEK

2 MI N OF 26TH AVENUE, Adams, CO

Built 1965 Load: 25.9 t ADT: 888

SH 119 ML

Fair

Over: OLIGARCHY DITCH

IN LONGMONT, Boulder, CO

Built 2004 Load: 25.9 t ADT: 24,000

COUNTY ROAD 314

Fair

Over: CLEAR CREEK

1.5 MI E OF IDAHO SPRINGS, Clear Creek, CO

Built 1936 Load: 25.9 t ADT: 111

COUNTY ROAD 9

Fair

Over: FOUR MILE CREEK

8.6 MI N OF HIGH STREET, Fremont, CO

Built 1989 Load: 25.9 t ADT: 214

CENTRAL CITY PRKWY

Fair

Over: CLEAR CREEK

0.5 MI. W OF I-70, Gilpin, CO

Built 2004 Load: 25.9 t ADT: 2,621

COUNTY ROAD 450

Fair

Over: MIDDLE CREEK

0.5 MI NW OF LA VETA, Huerfano, CO

Built 1988 Load: 25.9 t ADT: 273

County Road 41

Fair

Over: N. Fork Michigan River

1.3 Mi E of S.H. 14, Jackson, CO

Built 2006 Load: 25.9 t ADT: 184

US 34 ML

Fair

Over: N FK BIG THOMPSON RIVER

11.7 MI E OF ESTES PARK, Larimer, CO

Built 2003 Load: 25.9 t ADT: 4,900

County Road 67.9

Fair

Over: N. Sterling Outlet Canal

0.4 Mi N of Co Rd 66, Logan, CO

Built 1940 Load: 25.9 t

US 50 ML WBND

Fair

Over: ARKANSAS RIVER

2 MI N OF LAMAR, Prowers, CO

Built 1989 Load: 25.9 t ADT: 4,700

BAXTER RD.

Fair

Over: ARKANSAS RIVER

1 MI S OF JCT US 50, Pueblo, CO

Built 1963 Load: 25.9 t ADT: 5,240

County Road 209

Fair

Over: North Creek

50 ft from CR 212, Pueblo, CO

Built 2022 Load: 25.9 t ADT: 80

County Road M

Fair

Over: Vega Creek

1.8 Mi. N. of Co. Rd. 4, Washington, CO

Built 1973 Load: 25.9 t ADT: 11

SH 60 ML

Fair

Over: UNION CANAL

3.9 MI E JCT SH 257 NORTH, Weld, CO

Built 1988 Load: 25.9 t ADT: 7,100

County Road 46.5

Fair

Over: Little Thompson River

0.4 Mi E of Co Rd 17, Weld, CO

Built 1993 Load: 25.9 t ADT: 1,368

County Road 74

Fair

Over: Willow Creek

0.2 Mi E of Co Rd 51, Weld, CO

Built 1965 Load: 25.9 t ADT: 421

EVANS ROAD

Fair

Over: WEST KIOWA CREEK

.25 MI E OF MERIDIAN ROAD, El Paso, CO

Built 1986 Load: 26.0 t ADT: 165

County Road 346

Fair

Over: Mamm Creek

300 Ft. South of I-70, Garfield, CO

Built 1999 Load: 26.0 t ADT: 1,308

3RD STREET

Fair

Over: WILLOW CREEK

IN TOWN OF CREEDE, Mineral, CO

Built 1988 Load: 26.0 t ADT: 203

COUNTY ROAD GG.25

Fair

Over: ROCKY FORD HIGHLINE CANA

2 MI S OF CR HH.5, Otero, CO

Built 1994 Load: 26.0 t ADT: 4

MILL STREET

Fair

Over: ROARING FORK RIVER

4 BLK E OF HWY 82, Pitkin, CO

Built 1985 Load: 26.0 t ADT: 2,985

COUNTY ROAD 9.3

Fair

Over: WILLOW CREEK DRAIN

JUST S OF SH 50, Prowers, CO

Built 1995 Load: 26.0 t ADT: 157

COUNTY RD 31XX

Fair

Over: TOMICHI CREEK

JUST S OF SH 50, Saguache, CO

Built 1973 Load: 26.0 t ADT: 16

County Road 17

Fair

Over: Little Thompson River

0.9 Mi N of Co Rd 44, Weld, CO

Built 1987 Load: 26.0 t ADT: 5,666

US 34 ML

Fair

Over: DRAW

9 MI E OF WRAY, Yuma, CO

Built 1949 Load: 26.0 t ADT: 1,100

US 160 ML

Fair

Over: RIO GRANDE

AT EAST END OF ALAMOSA, Alamosa, CO

Built 1966 Load: 26.1 t ADT: 13,000

RIVERPOINT PKWY

Fair

Over: SOUTH PLATTE RIVER

JUST S OF PLATTE RIV DR, Arapahoe, CO

Built 2006 Load: 26.1 t ADT: 11,153

SH 15 ML

Fair

Over: LA JARA CREEK

.9 MI W OF 285 @ LA JARA, Conejos, CO

Built 1938 Load: 26.1 t ADT: 1,300

SH 142 ML

Fair

Over: RIO SAN ANTONIO

3.5 MILES EAST OF MANASSA, Conejos, CO

Built 1940 Load: 26.1 t ADT: 530

US 24 ML

Fair

Over: DRAW

CALHAN, El Paso, CO

Built 1935 Load: 26.1 t ADT: 5,500

US 24 ML

Fair

Over: DRAW

7.5 MI E OF CALHAN, El Paso, CO

Built 1935 Load: 26.1 t ADT: 3,000

US 50 ML

Fair

Over: DRAW

16.6 MI SE OF SALIDA, Fremont, CO

Built 1934 Load: 26.1 t ADT: 3,600

US 40 ML

Fair

Over: FRASER RIVER

E. EDGE OF GRANBY, Grand, CO

Built 1985 Load: 26.1 t ADT: 11,000

SH 300 ML

Fair

Over: ARKANSAS RIVER

0.4 MI E OF JCT SH 24 MAL, Lake, CO

Built 1939 Load: 26.1 t ADT: 1,600

US 34 BUSINESS

Fair

Over: FALL RIVER

W SIDE OF ESTES PARK, Larimer, CO

Built 1960 Load: 26.1 t ADT: 4,314

I 70 ML EBND

Fair

Over: COLORADO RIVER

11 MI W OF PARACHUTE, Mesa, CO

Built 1980 Load: 26.1 t ADT: 9,000

US 6 ML

Fair

Over: BEAVER CREEK

1.6 MI NE OF JCT I-76, Morgan, CO

Built 1932 Load: 26.1 t ADT: 1,400

US 50 ML WBND

Fair

Over: THOMPSON ARROYO

2 MI E OF LA JUNTA, Otero, CO

Built 1931 Load: 26.1 t ADT: 1,600

SH 47 ML

Fair

Over: 11TH ST

.1 MI. N. OF US50, Pueblo, CO

Built 1979 Load: 26.1 t ADT: 10,000

County Road 22.5

Fair

Over: Platte Valley Canal

0.3 Mi W of Co Rd 25.5, Weld, CO

Built 1985 Load: 26.1 t ADT: 42

County Road 25.5

Fair

Over: Hewes Ditch

0.8 Mi N of Co Rd 40, Weld, CO

Built 1940 Load: 26.1 t ADT: 51

HEADLIGHT ROAD

Fair

Over: WOLF CREEK

0.2 MI N OF 104TH AVE, Adams, CO

Built 1960 Load: 26.2 t ADT: 19

CHAMBERS ROAD

Fair

Over: SECOND CREEK

0.3 MI NORTH OF 104TH AVE, Adams, CO

Built 1995 Load: 26.2 t ADT: 10,327

MADISON ST

Fair

Over: EAST HARVARD GULCH

MADISON ST N OF VASSAR AV, Denver, CO

Built 1967 Load: 26.2 t ADT: 334

Showing 2,101-2,150 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.