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

BROADWAY

Fair

Over: HIGHLINE CANAL

JUST S OF ARAPAHOE RD, Arapahoe, CO

Built 1958 Load: 24.5 t ADT: 30,424

Brockway Drive

Fair

Over: Goodhue Ditch

0.1 Mi E of 76th Street, Boulder, CO

Built 1962 Load: 24.5 t ADT: 6,900

Co Rd 54A

Fair

Over: Middle Boulder Creek

Castle Rock Pull Off, Boulder, CO

Built 1917 Load: 24.5 t ADT: 70

Rock Creek Pkwy.

Fair

Over: Rock Creek

0.3 Mi N of Coalton D, Boulder, CO

Built 1999 Load: 24.5 t ADT: 11,360

FDR 504

Fair

Over: CABIN CANYON

8.2 MI ON FDR 504, Dolores, CO

Built 1937 Load: 24.5 t ADT: 27

FDR 688

Fair

Over: WEST DOLORES RIVER

14.5 MI NE OF DOLORES, Dolores, CO

Built 1959 Load: 24.5 t ADT: 15

EB LINCOLN AVENUE

Fair

Over: HAPPY CANYON CREEK

2.5 MI EAST OF I25, Douglas, CO

Built 1994 Load: 24.5 t ADT: 19,541

WB LINCOLN AVENUE

Fair

Over: HAPPY CANYON CREEK

2.5 MI EAST OF I25, Douglas, CO

Built 1994 Load: 24.5 t ADT: 17,562

RED ROCK DRIVE

Fair

Over: WEST PLUM CREEK

.15 MI W OF PERRY PARK RD, Douglas, CO

Built 1985 Load: 24.5 t ADT: 3,339

Gold Camp Road

Fair

Over: NO DATA ENTERED

Int. of Bear Creek Rd, El Paso, CO

Built 1970 Load: 24.5 t ADT: 623

W STEWART AVENUE

Fair

Over: EAST SAND CREEK

0.55 MILES EAST OF AIRPOR, El Paso, CO

Built 1977 Load: 24.5 t ADT: 6,398

GOLD CAMP ROAD

Fair

Over: BEAR CREEK

INT. OF BEAR CREEK RD, El Paso, CO

Built 1970 Load: 24.5 t ADT: 570

ARROWSWEST DR

Fair

Over: SOUTH DOUGLAS CREEK

.15 MI S-GARDEN GODS RD, El Paso, CO

Built 1984 Load: 24.5 t ADT: 1,900

PLATTE AVENUE

Fair

Over: SHOOKS RUN

JUST E OF N CORONA, El Paso, CO

Built 1902 Load: 24.5 t ADT: 18,034

UNION BLVD

Fair

Over: TEMPLETON GAP FLOODWAY

0.6 MI N OF FILLMORE ST, El Paso, CO

Built 1979 Load: 24.5 t ADT: 43,196

BIJOU STREET

Fair

Over: SPRING CREEK

0.4 MI W OF ACADEMY BLVD., El Paso, CO

Built 1975 Load: 24.5 t ADT: 5,271

ACADEMY BLVD

Fair

Over: TEMPLETON GAP BASIN

300 FT S OF AUSTIN BLUFFS, El Paso, CO

Built 1972 Load: 24.5 t ADT: 55,556

PALMER PARK BLVD

Fair

Over: SAND CREEK

0.2 MI W OF POWERS BLVD., El Paso, CO

Built 1970 Load: 24.5 t ADT: 13,644

MACKENZIE AVE.

Fair

Over: ARKANSAS RIVER

.6 MI N OF SH 115, Fremont, CO

Built 1966 Load: 24.5 t ADT: 3,980

US 50 ML

Fair

Over: GUNNISON/BLUE MESA RES

3 MI E/SAPINERO/MID BRIDG, Gunnison, CO

Built 1963 Load: 24.5 t ADT: 2,800

COUNTY ROAD 5

Fair

Over: CEBOLLA CREEK

15.9 MI NE OF LAKE CITY, Hinsdale, CO

Built 1959 Load: 24.5 t ADT: 55

I 25 ML NBND

Fair

Over: SULL CREEK

1.7 MI NO OF SH10-WLSNBRG, Huerfano, CO

Built 1963 Load: 24.5 t ADT: 4,650

CORWINA PARK RD

Fair

Over: BEAR CREEK

CORWINA PARK, Jefferson, CO

Built 1972 Load: 24.5 t ADT: 146

US 6 ML

Fair

Over: MCINTYRE GULCH

IN LAKEWOOD, Jefferson, CO

Built 1942 Load: 24.5 t ADT: 101,000

COUNTY ROAD 47

Fair

Over: SANTANTA CANAL

.6 MI S OF COUNTY ROAD C, Kiowa, CO

Built 1990 Load: 24.5 t ADT: 7

US 24 ML

Fair

Over: SPRING CREEK

0.5 MI E OF VONA, Kit Carson, CO

Built 1928 Load: 24.5 t ADT: 350

Drake Road

Fair

Over: Larimer Co. Canal No. 2

0.1 Mi E of Meadowlark Av, Larimer, CO

Built 1935 Load: 24.5 t ADT: 24,414

Washington Avenue

Fair

Over: Greeley Loveland Canal

100 Ft N of 1st St, Larimer, CO

Built 1922 Load: 24.5 t ADT: 1,989

County Road 16

Fair

Over: Home Supply Ditch

0.2 Mi E of Co Rd 23, Larimer, CO

Built 1969 Load: 24.5 t ADT: 749

COUNTY RD 75.0

Fair

Over: APISHAPA RIVER

.1 MI NE OF CR 71, Las Animas, CO

Built 1930 Load: 24.5 t ADT: 17

PARK ENTRANCE ROA

Fair

Over: GREEN RIVER RELIEF

Colorado State HWY. 40 to, Moffat, CO

Built 1960 Load: 24.5 t ADT: 50

IRR BIA RTE 204

Fair

Over: UTE CANYON

21.7 KM SE. OF TOWAOC CO, Montezuma, CO

Built 1975 Load: 24.5 t ADT: 100

IRR BIA RTE 204

Fair

Over: NAVAJO CANYON

23.3 KM SE OF TOWAOC CO, Montezuma, CO

Built 1975 Load: 24.5 t ADT: 100

SH 9 ML

Fair

Over: MIDDLE FK S.PLATTE RVR

9.8 MI SW OF FAIRPLAY, Park, CO

Built 1951 Load: 24.5 t ADT: 2,300

US 24 ML

Fair

Over: DRAW

1.8 MI SE OF LAKE GEORGE, Park, CO

Built 1936 Load: 24.5 t ADT: 3,900

COUNTY RD. 27TH LN

Fair

Over: ST.CHARLES RIVER

5.8 MI SE OF PUEBLO, Pueblo, CO

Built 1923 Load: 24.5 t ADT: 1,251

BERKLEY + SMALL AV

Fair

Over: BESSEMER DITCH

Inter Berkley/Small, Pueblo, CO

Built 1927 Load: 24.5 t ADT: 2,493

LAKE AVE.

Fair

Over: BESSEMER DITCH

INTERSECTION LAKE/ADAMS, Pueblo, CO

Built 1933 Load: 24.5 t ADT: 403

County Road 129B

Fair

Over: Mid Fk. Little Snake Rvr

0.3 Mi NE of Co Rd 129, Routt, CO

Built 1985 Load: 24.5 t ADT: 23

US 85 ML

Fair

Over: LONE TREE CREEK

4.3 MI NORTH OF NUNN, Weld, CO

Built 1958 Load: 24.5 t ADT: 4,600

SH 71 ML

Fair

Over: PAWNEE CREEK

6.1 MI N OF JCT SH 14, Weld, CO

Built 1957 Load: 24.5 t ADT: 1,000

County Road 8

Fair

Over: Lupton Bottom Ditch

0.6 Mi N of Co Rd 23, Weld, CO

Built 1970 Load: 24.5 t ADT: 215

County Road 33

Fair

Over: Platte Valley Canal

0.4 Mi N of Co Rd 38, Weld, CO

Built 1968 Load: 24.5 t ADT: 518

County Road 52

Fair

Over: Loveland Greeley Canal

0.3 Mi E of St Hwy 257, Weld, CO

Built 1967 Load: 24.5 t ADT: 49

SH 72 ML

Fair

Over: SOUTH ST VRAIN CREEK

3.8 MI NORTH OF WARD, Boulder, CO

Built 1959 Load: 24.6 t ADT: 1,100

US 40 ML

Fair

Over: CLEAR CREEK

W. BASE OF FLOYD HILL, Clear Creek, CO

Built 1973 Load: 24.6 t ADT: 2,100

COUNTY ROAD 21

Fair

Over: JAROSA CREEK

1 MI S OF CR E.5, Costilla, CO

Built 2005 Load: 24.6 t ADT: 58

HODGEN ROAD

Fair

Over: CHERRY CREEK

4 MI E OF SH 83, El Paso, CO

Built 1985 Load: 24.6 t ADT: 7,913

NB RAMP TO I70/I76

Fair

Over: CLEAR CREEK R

IN WHEATRIDGE, Jefferson, CO

Built 1980 Load: 24.6 t ADT: 59,000

COUNTY ROAD 31

Fair

Over: GRAND VALLEY CANAL

.2 MI N OF RD E, Mesa, CO

Built 1949 Load: 24.6 t ADT: 19

Showing 1,901-1,950 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.