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

US 36 ML

Fair

Over: BEAVER CREEK

4.9 MI W OF LAST CHANCE, Washington, CO

Built 1935 Load: 12.6 t ADT: 560

COUNTY ROAD 67

Fair

Over: EIGHT MILE CREEK

12.7 MI N OF CR 123, Fremont, CO

Built 1991 Load: 12.8 t ADT: 44

COUNTY ROAD 67

Fair

Over: EIGHT MILE CREEK

7.25 MI N OF CR 123, Fremont, CO

Built 1936 Load: 12.8 t ADT: 28

COUNTY ROAD Z

Fair

Over: OTERO CANAL

.2 MI W OF CR 19, Otero, CO

Built 1968 Load: 12.9 t ADT: 27

COUNTY ROAD 33

Fair

Over: AMITY CANAL

0.5 MI N OF CR LL, Prowers, CO

Built 1960 Load: 12.9 t ADT: 67

I25 ML

Fair

Over: BRDWY,BNSF,UPRR,RTD,LR

IN DENVER, Denver, CO

Built 2002 Load: 13.0 t ADT: 188,000

I 70 ML EBND

Fair

Over: TIMBER CREEK

6 MI W OF VAIL PASS SUMMI, Eagle, CO

Built 1977 Load: 13.0 t ADT: 10,000

COUNTY ROAD 67

Fair

Over: TRIB TO EIGHT MILE CREEK

18.1MI N OF CR 123, Fremont, CO

Built 1992 Load: 13.0 t ADT: 24

WINDING ROAD 788

Fair

Over: CEBOLLA CREEK

40 MI. S.W. GUNNISON, CO., Hinsdale, CO

Built 1967 Load: 13.0 t ADT: 47

County Road 15

Fair

Over: Boxelder Creek

0.8 Mi N of Co Rd 78, Larimer, CO

Built 1980 Load: 13.0 t ADT: 365

County Road 82

Fair

Over: Rawhide Creek

0.2 Mi E of Co Rd 15, Larimer, CO

Built 1980 Load: 13.0 t ADT: 363

COUNTY RD 6.8

Fair

Over: SALAZAR ARROYO

0.1 MI W OF CR 121.9, Las Animas, CO

Built 1968 Load: 13.0 t ADT: 44

COUNTY ROAD 5N

Fair

Over: RIO GRANDE CANAL

4.7 MI N OF MONTE VISTA, Rio Grande, CO

Built 1940 Load: 13.0 t ADT: 62

I 70 ML EBND

Fair

Over: WILDER GULCH

1 MI E OF EAGLE SUMMIT CL, Summit, CO

Built 1977 Load: 13.0 t ADT: 10,000

COUNTY ROAD 32

Fair

Over: HOLLY SEEP

.7 MI N OF SH 50, Prowers, CO

Built 1993 Load: 13.1 t ADT: 127

I 76 ML EBND

Fair

Over: 60TH AVE & DITCH

3.8 MI E OF I70 + I76 INT, Adams, CO

Built 1988 Load: 13.2 t ADT: 38,500

COUNTY ROAD 4405

Fair

Over: FIRE MOUNTAIN CANAL

2 Mi NE of SH133/Bowie RD, Delta, CO

Built 1976 Load: 13.2 t ADT: 38

County Road 21C

Fair

Over: Cache La Poudre River

0.2 Mi N of Co Rd 50E, Larimer, CO

Built 1976 Load: 13.2 t ADT: 3,333

COUNTY ROAD I.9

Fair

Over: COLORADO RIVER

AT CAMEO POWER PLANT, Mesa, CO

Built 1994 Load: 13.2 t ADT: 558

COUNTY ROAD 9

Fair

Over: WILLOW CREEK DRAIN

.1 MI SOUTH OF SH 50, Prowers, CO

Built 1973 Load: 13.3 t ADT: 297

Oxford Rd (Cr 26)

Fair

Over: Boulder Feeder Ditch

0.3 Mi W of Co Rd 41, Boulder, CO

Built 1950 Load: 13.4 t ADT: 422

COUNTY ROAD 67

Fair

Over: UNNAMED CREEK

8.5 MI N OF CR 123, Fremont, CO

Built 1995 Load: 13.4 t ADT: 29

County Road 3

Fair

Over: Kiowa Creek

3.7 Mi N of Co Rd M, Morgan, CO

Built 1965 Load: 13.4 t ADT: 265

County Road 44

Fair

Over: Hillsbourough Ditch

0.9 Mi E of Co Rd 13, Weld, CO

Built 1987 Load: 13.4 t ADT: 178

76TH AVENUE

Fair

Over: LITTLE DRY CREEK

1/2 BLK E OF SHERIDAN AVE, Adams, CO

Built 1988 Load: 13.5 t ADT: 4,417

COUNTY ROAD 17

Fair

Over: NORTH FORK LONE ROCK CRK

1.1 MI N OF CR Y, Baca, CO

Built 1960 Load: 13.5 t ADT: 31

Sheridan Avenue

Fair

Over: Drainage Ditch

Prussman & Sheridan Ave, El Paso, CO

Built 1942 Load: 13.6 t ADT: 5,600

CR123 (3RD STREET)

Fair

Over: BRUSH HOLLOW CREEK

.5 MI W OF A STREET, Fremont, CO

Built 1928 Load: 13.6 t ADT: 683

SH 340 ML EBND

Fair

Over: COLORADO RIVER

0.8 MI W OF JCT I 70 BUS, Mesa, CO

Built 1950 Load: 13.6 t ADT: 9,500

GALLUP ST

Fair

Over: HIGHLINE CANAL

0.18 MI S OF GEDDES AVE, Arapahoe, CO

Built 1962 Load: 13.7 t ADT: 255

COUNTY ROAD 34

Fair

Over: FT. LYON CANAL

JUST N OF CR NN, Bent, CO

Built 1950 Load: 13.7 t ADT: 71

COUNTY ROAD A.5

Fair

Over: TRIB. OF HACKBERRY CREEK

.2 MI SE OF CR 18, Bent, CO

Built 1960 Load: 13.7 t ADT: 71

COUNTY ROAD LL

Fair

Over: EAST HORSE CREEK

.4 MI E OF CR 35, Prowers, CO

Built 1978 Load: 13.7 t ADT: 39

I 25 ML NBND

Fair

Over: AF ACADEMY (NORTH GATE)

5.6 MI N OF JCT SH 83 ML, El Paso, CO

Built 1958 Load: 13.8 t ADT: 46,000

COUNTY RD 41.7

Fair

Over: SARCILLO CANYON CREEK

7.8 MI N OF SH 12, Las Animas, CO

Built 1983 Load: 13.8 t ADT: 122

SH 12 ML

Fair

Over: N FK PURGATOIRE RIVER

4.2 MI E OF STONEWALL, Las Animas, CO

Built 1938 Load: 13.8 t ADT: 320

I 70 WBND

Fair

Over: Accs RD|Rst Area|CO Rivr

SHOSHONE POWER PLANT, Garfield, CO

Built 1989 Load: 13.9 t ADT: 8,500

FDR 814

Fair

Over: W DIVIDE CR

CAYTON GUARD STATION, Mesa, CO

Built 1965 Load: 13.9 t ADT: 10

MAPLE STREET

Fair

Over: LITTLE SALT WASH

.3 MI N OF OTTLEY AVE, Mesa, CO

Built 1970 Load: 13.9 t ADT: 2,615

US 160 ML

Fair

Over: W FORK SAN JUAN RIVER

10 MI E OF PAGOSA SPRINGS, Archuleta, CO

Built 1986 Load: 14.0 t ADT: 4,100

SH 93 ML

Fair

Over: SOUTH BOULDER CREEK

0.4 MI N OF JCT SH 170 +, Boulder, CO

Built 1969 Load: 14.0 t ADT: 17,000

COUNTY ROAD 22

Fair

Over: AMITY CANAL

2.5 MI W OF BRISTOL, Prowers, CO

Built 1950 Load: 14.0 t ADT: 2

SH 59 ML

Fair

Over: E SPRING CREEK TRIB.

12.9 MI S OF JCT I 70, Kit Carson, CO

Built 1969 Load: 14.1 t ADT: 380

US 350 ML

Fair

Over: TAYLOR ARROYO

3.3 MILES NE OF DELHI, Otero, CO

Built 1935 Load: 14.1 t ADT: 470

COUNTY ROAD 382

Fair

Over: NAVAJO RIVER

6.5 MI E OF CHROMO, Archuleta, CO

Built 1980 Load: 14.2 t ADT: 40

COUNTY ROAD 13

Fair

Over: NORTH FORK SAND ARROYO

.2 MI S OF RD T, Baca, CO

Built 1940 Load: 14.2 t ADT: 13

COUNTY ROAD 13

Fair

Over: TRIB N.FK LONE ROCK CRK

.2 S OF CR X, Baca, CO

Built 1960 Load: 14.2 t ADT: 30

COUNTY ROAD 7

Fair

Over: FT. LYON CANAL

.2 MI N OF CR JJ, Bent, CO

Built 1960 Load: 14.2 t ADT: 28

COUNTY ROAD 430

Fair

Over: RIO GRANDE RIVER

0.8 MI SE OF RIVERSIDE ME, Mineral, CO

Built 1930 Load: 14.2 t ADT: 47

COUNTY ROAD 28

Fair

Over: FORT LYON CANAL

2 MI NW SH 109, Otero, CO

Built 1965 Load: 14.2 t ADT: 346

Showing 951-1,000 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.