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

CR 4110

Fair

Over: NORTH FORK GUNNISON RVR

1.6 MI NE OF PAONIA, Delta, CO

Built 1930 Load: 9.7 t ADT: 310

County Road 330

Fair

Over: Williams Fork River

Over Inlet to Reservoir, Grand, CO

Built 1929 Load: 9.9 t ADT: 166

FSR 630

Fair

Over: HEARTLK SPILLWAY DEEP CR

27.3 MILES NW OF DOTSERO, Garfield, CO

Built 1954 Load: 10.0 t ADT: 30

COUNTY ROAD N

Fair

Over: TIMPAS CREEK

.1 MI E OF CR 16.5, Otero, CO

Built 1935 Load: 10.0 t ADT: 22

COUNTY ROAD 805

Fair

Over: FT.LYON STG CANAL SLUICE

.8 MI W OF SH 71, Otero, CO

Built 1968 Load: 10.2 t ADT: 13

COUNTY ROAD Y

Fair

Over: NORTH FORK SAND ARROYO

.8 MI W OF CR 6, Baca, CO

Built 1960 Load: 10.3 t ADT: 1

COUNTY ROAD Q

Fair

Over: WEST CARRIZO CREEK

1.2 MI E OF CR 0, Baca, CO

Built 1935 Load: 10.3 t ADT: 23

ALLEY

Fair

Over: EAST HARVARD GULCH

BTWN LAFAYETTE AND HUMB, Denver, CO

Built 1967 Load: 10.3 t ADT: 39

County Road 43H

Fair

Over: Little Thompson River

0.1 Mi N of Co Rd 45B, Larimer, CO

Built 1960 Load: 10.3 t ADT: 97

FDR 205

Fair

Over: N FK WHITE RV

NO DATA ENTERED, Garfield, CO

Built 1953 Load: 10.4 t ADT: 3

COUNTY RD 87.0

Fair

Over: MODEL DITCH

JUST N OF CR 42.5, Las Animas, CO

Built 1950 Load: 10.4 t ADT: 39

COUNTY ROAD N

Fair

Over: SOUTH DRY CREEK

.1 MI E OF CR 14, Otero, CO

Built 1965 Load: 10.4 t ADT: 15

BERRIDGE ROAD

Fair

Over: LITTLE HORSE CREEK

0.1 MI N OF CORONA ROAD, El Paso, CO

Built 1935 Load: 10.5 t ADT: 14

JOHNSON ROAD

Fair

Over: STEELS FORK CREEK

1.0 MI N OF HIGHWAY 94, El Paso, CO

Built 1935 Load: 10.5 t ADT: 35

US 160 ML

Fair

Over: HILLSIDE

15.5 MI EAST OF JCT SH 84, Mineral, CO

Built 1981 Load: 10.5 t ADT: 2,900

COUNTY ROAD 69.1

Fair

Over: RATON CREEK

.1 MI SE CR 69.1 STRKVILE, Las Animas, CO

Built 2000 Load: 10.6 t ADT: 12

County Road 63

Fair

Over: Wildhorse Draw

0.2 Mi S of Co Rd 72, Logan, CO

Built 1992 Load: 10.6 t ADT: 28

County Road 12

Fair

Over: Sand Creek

0.7 Mi. E. of Co. Rd. 51, Sedgwick, CO

Built 1962 Load: 10.6 t ADT: 10

Devereux, AC To RR

Fair

Over: Colorado River

0.25 Miles South of I-70, Garfield, CO

Built 1966 Load: 10.7 t ADT: 3,211

Taft Hill Rd(Cr17)

Fair

Over: Big Thompson River

0.2 Mi N of 1st Street, Larimer, CO

Built 1978 Load: 10.7 t ADT: 21,217

SH 157 ML

Fair

Over: BNSF RR

IN BOULDER, Boulder, CO

Built 1981 Load: 10.9 t ADT: 43,000

JOYCE STREET

Fair

Over: RALSTON CREEK

0.06 MI NORTH OF 68TH AVE, Jefferson, CO

Built 1975 Load: 10.9 t ADT: 110

County Road 83

Fair

Over: GREEN RIVER

2.9 Mi. S of St Hwy 318, Moffat, CO

Built 1954 Load: 10.9 t ADT: 36

SPRING CREEK ROAD

Fair

Over: SPRING CREEK

11.4 MI NE OF ALMONT, Gunnison, CO

Built 1965 Load: 11.0 t ADT: 146

CANAL ROAD

Fair

Over: CATLIN CANAL

.1 MI N OF SH 50, Otero, CO

Built 1976 Load: 11.0 t ADT: 253

County Road 80

Fair

Over: Collins Lateral Ditch

0.6 Mi E of Co Rd 23, Weld, CO

Built 1957 Load: 11.0 t ADT: 304

OIL WELL ROAD

Fair

Over: MUSTANG CREEK

.6 MI S OF ALTA VISTA RD, El Paso, CO

Built 1935 Load: 11.1 t ADT: 20

County Road 80C

Fair

Over: N Frk Cache La Poudre Rv

2.6 Mi W of Co Rd 59, Larimer, CO

Built 1965 Load: 11.1 t ADT: 118

County Road 47

Fair

Over: Williams Fork River

JUST W of ST Hwy 13 MP 78, Moffat, CO

Built 1988 Load: 11.1 t ADT: 23

COUNTY ROAD 228

Fair

Over: FLORIDA CANAL

.1 MI S OF CR 225, La Plata, CO

Built 1964 Load: 11.2 t ADT: 1,172

FDR 106

Fair

Over: WILLOW CREEK

125' E OF CO HWY 125, Grand, CO

Built 1967 Load: 11.3 t ADT: 10

CR41.01-SPRUCE ST

Fair

Over: MANCOS RIVER

.1 MI S OF RIVERSIDE AVE, Montezuma, CO

Built 1991 Load: 11.4 t ADT: 171

C.R. HIDDEN VLY

Fair

Over: COTTONWOOD CREEK

0.2 MI E OF CR 40, Fremont, CO

Built 1917 Load: 11.5 t ADT: 21

COUNTY ROAD 37

Fair

Over: MIDDLE HORSE CREEK

.4 MI N OF CR UU, Prowers, CO

Built 1960 Load: 11.5 t ADT: 99

I 70 ML EBND

Fair

Over: MILLER CREEK

5.1 MI W OF VAIL PASS SUM, Eagle, CO

Built 1977 Load: 11.6 t ADT: 10,000

COUNTY RD 88.0

Fair

Over: TIMPAS CREEK

0.9 MI SW OF DELHI/SH 350, Las Animas, CO

Built 1963 Load: 11.6 t ADT: 31

COUNTY ROAD 543

Fair

Over: HUERFANO RIVER

0.1 MI S OF GARDNER, Huerfano, CO

Built 2004 Load: 11.7 t ADT: 106

County Road 8

Fair

Over: Gordon Creek

0.2 Mi. E. of Co. Rd. GG, Washington, CO

Built 1969 Load: 11.8 t ADT: 26

County Road 50

Fair

Over: Gilmore Ditch

0.1 Mi E of Co Rd 47, Weld, CO

Built 1979 Load: 11.8 t ADT: 80

County Road 22

Fair

Over: Arikaree River

2.20 Mi E of Co Rd KK, Yuma, CO

Built 1940 Load: 11.9 t ADT: 13

COUNTY ROAD 31

Fair

Over: ADOBE CREEK TRIB

2 MILES SOUTH OF ROAD S, Lincoln, CO

Built 1962 Load: 12.1 t ADT: 69

County Road 23

Fair

Over: Patent Creek

0.5 Mi No of Co Rd 2, Phillips, CO

Built 1966 Load: 12.1 t ADT: 25

County Road 23A

Fair

Over: White River

0.75 Mi N of St Hwy 64, Rio Blanco, CO

Built 1940 Load: 12.1 t ADT: 184

MCCLELLAND ROAD

Fair

Over: BIG SANDY CREEK TRIB.

0.35 MI S OF SWEET ROAD, El Paso, CO

Built 1965 Load: 12.2 t ADT: 111

COUNTY ROAD JJ

Fair

Over: EAST HORSE CREEK

0.2 MI W OF CR 35, Prowers, CO

Built 1980 Load: 12.2 t ADT: 73

Fifth Street

Fair

Over: White River

1 Blk. So of Water Street, Rio Blanco, CO

Built 1940 Load: 12.2 t ADT: 278

COUNTY ROAD F

Fair

Over: NORTH BUTTE CREEK

1 MI W OF CR 16, Prowers, CO

Built 1965 Load: 12.3 t ADT: 45

COUNTY ROAD F

Fair

Over: EAST FORK ADOBE CREEK

1.7 MILES EAST OF ROAD 34, Lincoln, CO

Built 1950 Load: 12.4 t ADT: 10

County Road 24

Fair

Over: Little Grizzly Creek

2.7 Mi W of St Hwy 14, Jackson, CO

Built 1977 Load: 12.6 t ADT: 113

COUNTY ROAD 501

Fair

Over: VALLECITO CREEK

0.5 MI E OF N VALLECITO, La Plata, CO

Built 1971 Load: 12.6 t ADT: 640

Showing 901-950 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.