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

64TH AVENUE

Fair

Over: COMANCHE CREEK

0.2 MI E OF STRASBURG RD, Adams, CO

Built 1997 Load: 25.0 t ADT: 86

GRANT STREET

Fair

Over: NIVER CREEK

1 BLK N OF 84TH AVENUE, Adams, CO

Built 1993 Load: 25.0 t ADT: 8,151

BOWLES AVE

Fair

Over: SOUTH PLATTE RIVER

0.25 MI W OF SANTA FE, Arapahoe, CO

Built 1979 Load: 25.0 t ADT: 15,802

US 24 ML

Fair

Over: WILLIAMS CANYON, RDWY

IN MANITOU SPRINGS, El Paso, CO

Built 1969 Load: 25.0 t ADT: 27,000

SH 94 ML

Fair

Over: W FK BLACK SQUIRREL CRK

12.0 MI E OF JCT US 24, El Paso, CO

Built 1986 Load: 25.0 t ADT: 4,400

I 70 ML WBND

Fair

Over: CLEAR CREEK

WHEATRIDGE, Jefferson, CO

Built 1968 Load: 25.0 t ADT: 52,000

County Road 52E

Fair

Over: Cache La Poudre River

0.7 M W of Jct US Hwy 287, Larimer, CO

Built 1957 Load: 25.0 t ADT: 2,343

US 350 ML

Fair

Over: FURNESS ARROYO

7.6 MI NE OF JCT US 160, Las Animas, CO

Built 1937 Load: 25.0 t ADT: 710

COUNTY ROAD J

Fair

Over: GRAND VALLEY CANAL

.1 MI E OF RD 23, Mesa, CO

Built 1985 Load: 25.0 t ADT: 494

County Road 17

Fair

Over: Yampa River

7.3 Mi South of US Hwy 40, Moffat, CO

Built 1968 Load: 25.0 t ADT: 105

CR 1.5 (Briggs St)

Fair

Over: Lower Boulder Ditch

0.4 M N of Co Rd 8.5, Weld, CO

Built 1999 Load: 25.0 t ADT: 2,608

COUNTY ROAD 116

Fair

Over: BOULDER CREEK

3.3 MI WEST OF ST HWY 72, Boulder, CO

Built 1995 Load: 25.1 t ADT: 74

COUNTY ROAD 74

Fair

Over: UPPER BEAR CREEK

2.6 MI W JCT EVERGRN LAKE, Jefferson, CO

Built 1992 Load: 25.1 t ADT: 1,295

I 70 ML WBND

Fair

Over: COLORADO RIVER

11.4 MI W OF PARACHUTE, Mesa, CO

Built 1980 Load: 25.1 t ADT: 9,000

SH 149 ML

Fair

Over: RIO GRANDE

4.1 MI SW OF CREEDE, Mineral, CO

Built 1979 Load: 25.1 t ADT: 1,000

IDA ROAD

Fair

Over: COAL CREEK

4.3 MI SW OF OLATHE, Montrose, CO

Built 1975 Load: 25.1 t ADT: 98

County Road 24

Fair

Over: South Platte River

0.6 Mi N of Co Rd T, Morgan, CO

Built 1992 Load: 25.1 t ADT: 1,108

SH 114 ML

Fair

Over: WASH

3.2 MI W. OF SAGUACHE, Saguache, CO

Built 1946 Load: 25.1 t ADT: 550

US 24 ML

Fair

Over: TWIN CREEK

.6 Miles SE Park Teller, Teller, CO

Built 1936 Load: 25.1 t ADT: 3,900

County Road 31

Fair

Over: Larimer and Weld Canal

0.6 Mi N of Co Rd 74, Weld, CO

Built 2008 Load: 25.1 t ADT: 803

GARRISON STREET

Fair

Over: LAKEWOOD GULCH

JUST NORTH OF 9TH AVENUE, Jefferson, CO

Built 1940 Load: 25.2 t ADT: 9,987

I 25 SERVICE RD

Fair

Over: WINDSOR RES, CANAL SR

1.6 MI N OF JCT SH 14, Larimer, CO

Built 1966 Load: 25.2 t ADT: 1,450

US 34 ML

Fair

Over: HOME SUPPLY DITCH

3.5 MI W OF LOVELAND, Larimer, CO

Built 1933 Load: 25.2 t ADT: 4,900

CO Rd 18.3

Fair

Over: Abandoned Railroad

2 M SE JCT State Hwy 12, Las Animas, CO

Built 1973 Load: 25.2 t ADT: 200

County Road 12

Fair

Over: Schneider Ditch

50 Ft. W. of Co. Rd. 31, Logan, CO

Built 1956 Load: 25.2 t ADT: 43

CNTY RD_OLD SH 196

Fair

Over: AMITY CANAL

2.2 MI SOUTH OF KORNMAN, Prowers, CO

Built 1949 Load: 25.2 t ADT: 3,019

County Road 17

Fair

Over: South Fork White River

1.2 Mi S of Co Rd 8, Rio Blanco, CO

Built 1986 Load: 25.2 t ADT: 137

SH 71 ML

Fair

Over: COTTONWOOD CREEK

9.6 MI N OF JCT SH 14, Weld, CO

Built 1998 Load: 25.2 t ADT: 1,000

SH 17 ML

Fair

Over: CONEJOS RIVER

4.7 MI W OF ANTONITO, Conejos, CO

Built 1958 Load: 25.3 t ADT: 960

US 40 ML

Fair

Over: COLORADO RIVER

14.8 MI E / SH 9 KREMLING, Grand, CO

Built 1974 Load: 25.3 t ADT: 2,600

FDR 631

Fair

Over: PIEDRA RIVER

16.4 MI ON FDR 631, Hinsdale, CO

Built 1991 Load: 25.3 t ADT: 533

48TH AVENUE

Fair

Over: CROKE CANAL

WEST OF INDIANA STREET, Jefferson, CO

Built 1984 Load: 25.3 t ADT: 370

COUNTY ROAD 5

Fair

Over: SAND CREEK

4.7 MILES SOUTH OF ROAD R, Kit Carson, CO

Built 1923 Load: 25.3 t ADT: 66

COUNTY ROAD 3W

Fair

Over: CONSOLIDATED CANAL

.4 MI N of Swede Lane, Rio Grande, CO

Built 1978 Load: 25.3 t ADT: 285

County Road 2

Fair

Over: Watkins-Lessing Ditch

0.7 MI E OF CO RD 47, Weld, CO

Built 2012 Load: 25.3 t ADT: 503

County Road 12

Fair

Over: Fulton Ditch

0.2 MI E of CR 29.5, Weld, CO

Built 2009 Load: 25.3 t ADT: 365

COUNTY ROAD 17

Fair

Over: HORSE CREEK

1.3 MI N OF CR MM, Baca, CO

Built 1950 Load: 25.4 t ADT: 1

SH 170 ML

Fair

Over: DAVIDSON DITCH

1.5 MI W OF JCT SH 93, Boulder, CO

Built 1952 Load: 25.4 t ADT: 1,200

US 287 ML

Fair

Over: FLOOD CONTROL DITCH

120TH AVE W. OF CHASE ST., Broomfield, CO

Built 1965 Load: 25.4 t ADT: 29,000

J MORGAN BLVD

Fair

Over: BRANCH OF CHERRY CREEK

.5 M WEST OF PARKER RD, Douglas, CO

Built 1988 Load: 25.4 t ADT: 857

SH 105 ML

Fair

Over: CRYSTAL CREEK

.7 W OFI25/MONUMENT INTER, El Paso, CO

Built 1927 Load: 25.4 t ADT: 8,500

US 24 ML

Fair

Over: BRAKETT CREEK

0.3 MI E OF PEYTON, El Paso, CO

Built 1935 Load: 25.4 t ADT: 5,700

US 24 ML

Fair

Over: DRAW

6.3 MI E OF CALHAN, El Paso, CO

Built 1935 Load: 25.4 t ADT: 3,000

US 50 ML

Fair

Over: DRAW

16.3 MI SE OF SALIDA, Fremont, CO

Built 1934 Load: 25.4 t ADT: 3,600

US 50 ML

Fair

Over: LAKE FK GUNNSION RIVER

W. END OF BLUE MESA RES., Gunnison, CO

Built 1963 Load: 25.4 t ADT: 3,000

David Drive

Fair

Over: Fall River

80 Ft W of US Hwy 34, Larimer, CO

Built 1974 Load: 25.4 t ADT: 221

Fall River Court

Fair

Over: Fall River

100 Ft S of US Hwy 34, Larimer, CO

Built 1974 Load: 25.4 t ADT: 273

County Road 21

Fair

Over: Poudre Valley Canal

1.3 Mi N of Co Rd 60E, Larimer, CO

Built 1972 Load: 25.4 t ADT: 48

SH 12 ML

Fair

Over: COLORADO CANYON

2.5 MI W OF I-25 IN TRINI, Las Animas, CO

Built 1974 Load: 25.4 t ADT: 1,900

I 70 ML EBND

Fair

Over: PERSIGO WASH

5.3 MI E OF FRUITA INTRCH, Mesa, CO

Built 1969 Load: 25.4 t ADT: 9,000

Showing 2,001-2,050 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.