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

NFSR 211

Fair

Over: GOOSE CREEK

AT GOOSE CR CG, Jefferson, CO

Built 1962 Load: 27.2 t ADT: 122

US 287 ML

Fair

Over: CANAL, CATTLE UNDERPASS

12 MILES NORTH OF TEDS PL, Larimer, CO

Built 1963 Load: 27.2 t ADT: 3,900

I 70 BUSINESS EBND

Fair

Over: HIGHLINE CANAL

JUST S OF I70 CLIFTON INT, Mesa, CO

Built 1963 Load: 27.2 t ADT: 7,500

SH 330 ML

Fair

Over: BIG CREEK

3 MI W OF COLLBRAN, Mesa, CO

Built 1918 Load: 27.2 t ADT: 1,600

US 50 ML EBND

Fair

Over: ROCKY FORD CANAL

IN ROCKY FORD, Otero, CO

Built 1934 Load: 27.2 t ADT: 2,300

US 85 ML NBND

Fair

Over: SOUTH PLATTE RIVER

EVANS, Weld, CO

Built 1936 Load: 27.2 t ADT: 12,500

SH 52 ML

Fair

Over: DENVER HUDSON CANAL

5 MI E OF JCT I-76, Weld, CO

Built 1953 Load: 27.2 t ADT: 2,900

County Road 4

Fair

Over: Denver Hudson Canal

0.5 Mi E of Co Rd 45, Weld, CO

Built 2003 Load: 27.2 t ADT: 54

County Road 13

Fair

Over: Little Thompson River

0.4 Mi N of Co Rd 44, Weld, CO

Built 1966 Load: 27.2 t ADT: 4,115

SH 7 ML EBND

Fair

Over: BOULDER CREEK

ARAPAHOE AVENUE, Boulder, CO

Built 1966 Load: 27.3 t ADT: 15,000

SH 165 ML

Fair

Over: SOUTH HARDSCRABBLE CREEK

6 MI S. OF JCT SH 96, Custer, CO

Built 1959 Load: 27.3 t ADT: 200

COUNTY ROAD 132

Fair

Over: BEAVER CREEK

10 MI NE OF CR 123, Fremont, CO

Built 1989 Load: 27.3 t ADT: 10

BOBTAIL ROAD

Fair

Over: BOBTAIL CREEK

S OF MARDI GRAS CASINO, Gilpin, CO

Built 1999 Load: 27.3 t ADT: 698

I 25 ML SBND

Fair

Over: HUERFANO RIVER

9.4 MI N OF SH10-WLSNBRG., Huerfano, CO

Built 1967 Load: 27.3 t ADT: 7,000

COUNTY ROAD 35

Fair

Over: N. FK. SMOKY HILL RIVER

0.8 MILES SOUTH OF ROAD B, Kit Carson, CO

Built 1981 Load: 27.3 t ADT: 40

County Road 3

Fair

Over: Big Thompson River

1.2 Mi N of Co Rd 18, Larimer, CO

Built 1983 Load: 27.3 t ADT: 1,943

COUNTY ROAD 35.5

Fair

Over: GRAND VALLEY CANAL

.6 MI S OF US 6, Mesa, CO

Built 1988 Load: 27.3 t ADT: 51

COUNTY ROAD F

Fair

Over: MANCOS RIVER

150 FT E OF CR 38, Montezuma, CO

Built 1993 Load: 27.3 t ADT: 15

COUNTY ROAD FF

Fair

Over: HOLBROOK RES. LATERAL

.1 MI W OF CR 26, Otero, CO

Built 1971 Load: 27.3 t ADT: 145

COUNTY ROAD 77

Fair

Over: JEFFERSON CREEK

7.1 MI S OF JEFFERSON, Park, CO

Built 2006 Load: 27.3 t ADT: 354

COUNTY ROAD 19

Fair

Over: ROARING FORK RIVER

1.1 MI N OF HWY 82, Pitkin, CO

Built 1992 Load: 27.3 t ADT: 3,783

COUNTY ROAD PP

Fair

Over: WILEY DRAINAGE

0.1 MI W OF US 285, Prowers, CO

Built 1996 Load: 27.3 t ADT: 51

I 25 ML

Fair

Over: DRAW

2.8 MI N OF JCT US 50 W S, Pueblo, CO

Built 1928 Load: 27.3 t ADT: 35,000

County Road 76

Fair

Over: Yampa River

0.6 Mi N of US Hwy 40, Routt, CO

Built 1978 Load: 27.3 t ADT: 513

Rollingstone Lane

Fair

Over: Fish Creek

150 ft N of Pine Grove, Routt, CO

Built 1990 Load: 27.3 t ADT: 2,404

BIJOU STREET

Fair

Over: MONUMENT CREEK/UPRR

JUST E OF I-25, El Paso, CO

Built 2007 Load: 27.4 t ADT: 12,153

US 24 ML EBND

Fair

Over: EL PASO BLV,FOUNTAIN CRK

IN MANITOU SPRINGS, El Paso, CO

Built 1969 Load: 27.4 t ADT: 13,500

COUNTY ROAD 5

Fair

Over: MINERAL CREEK

13.9 MI NE OF LAKE CITY, Hinsdale, CO

Built 1957 Load: 27.4 t ADT: 37

SH 69 ML

Fair

Over: DRAW

4.6 MILES NW OF GARDNER, Huerfano, CO

Built 1957 Load: 27.4 t ADT: 420

SH 113 ML

Fair

Over: CANAL

1.3 MI N. OF JCT US 138, Logan, CO

Built 1937 Load: 27.4 t ADT: 1,200

US 50 ML EBND

Fair

Over: COLORADO RIVER

SO. END OF GR JUNCT., Mesa, CO

Built 1965 Load: 27.4 t ADT: 13,500

COUNTY ROAD 9

Fair

Over: OTERO CANAL

.1 MI S OF SH 50, Otero, CO

Built 1966 Load: 27.4 t ADT: 37

US 285 ML

Fair

Over: FOUR MILE CREEK

3.5 MI W OF FAIRPLAY, Park, CO

Built 1937 Load: 27.4 t ADT: 5,900

CR 342/CedarwoodRD

Fair

Over: GREENHORN CREEK

JUST S OF ABBY ROAD, Pueblo, CO

Built 1987 Load: 27.4 t ADT: 225

LAKEMOOR DRIVE

Fair

Over: FOURMILE CREEK

0.2 MI SE OF CO RD 11, Teller, CO

Built 1985 Load: 27.4 t ADT: 131

County Road 38

Fair

Over: Mead Lateral Ditch

1.4 Mi E of Co Rd 7, Weld, CO

Built 1965 Load: 27.4 t ADT: 63

IRR# SH 151 ML

Fair

Over: PIEDRA RIVER

2.8 MILES NE OF ARBOLES, Archuleta, CO

Built 1961 Load: 27.5 t ADT: 880

US 287 ML

Fair

Over: TWO BUTTES CREEK

17 Mi. N of Springfield, Baca, CO

Built 1992 Load: 27.5 t ADT: 3,500

US 50 ML WBND

Fair

Over: ARKANSAS RIVER

IN LAS ANIMAS, Bent, CO

Built 1966 Load: 27.5 t ADT: 2,150

COUNTY ROAD 17.5

Fair

Over: N. BRANCH CONEJOS RIVER

.3 MI S OF CR N, Conejos, CO

Built 1989 Load: 27.5 t ADT: 59

COUNTY ROAD Z7

Fair

Over: TRINCHERA CREEK

3.0 MI SE OF SH 160, Costilla, CO

Built 1988 Load: 27.5 t ADT: 124

COUNTY ROAD 3

Fair

Over: GRAPE CREEK

AT TEMPLE CANYON PK, Fremont, CO

Built 1985 Load: 27.5 t ADT: 9

COUNTY ROAD 12

Fair

Over: RED GULCH

1.2 MI N OF COTOPAXI, Fremont, CO

Built 1930 Load: 27.5 t ADT: 213

I 25 ML SBND

Fair

Over: POPE ARROYO

16.5 MI N OF WALSENBURG, Huerfano, CO

Built 1965 Load: 27.5 t ADT: 7,000

COUNTY ROAD 22

Fair

Over: GRAND VALLEY CANAL

0.9 MILES N OF RD J, Mesa, CO

Built 2020 Load: 27.5 t ADT: 209

IRR# US 160 ML

Fair

Over: NAVAJO SPRINGS CREEK

17 MI NE OF NEW MEXICO S., Montezuma, CO

Built 1961 Load: 27.5 t ADT: 2,200

SPRING CREEK RD

Fair

Over: MONTROSE AND DELTA CANAL

.5 MI E OF CR 58.75, Montrose, CO

Built 1940 Load: 27.5 t ADT: 866

CR230/BRNT MILL RD

Fair

Over: DRY WASH

10.6 MI ESE OF BEULAH, Pueblo, CO

Built 1990 Load: 27.5 t ADT: 158

BALD EAGLE ROAD

Fair

Over: BLUE RIVER

0.2 MI EAST OF HIGHWAY 9, Summit, CO

Built 2015 Load: 27.5 t ADT: 851

County Road 59

Fair

Over: Crow Creek

0.4 Mi N of Co Rd 60.5, Weld, CO

Built 1965 Load: 27.5 t ADT: 322

Showing 2,301-2,350 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.