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

COLE/DENVER W PKWY

Fair

Over: LENA GULCH

0.1 MI N OF COLFAX, Jefferson, CO

Built 1974 Load: 32.7 t ADT: 7,081

COLE BLVD

Fair

Over: LENA GULCH

IN DENVER W OFFICE PARK, Jefferson, CO

Built 1975 Load: 32.7 t ADT: 938

1ST STREET

Fair

Over: TUCKER GULCH

1 BLK EAST OF FORD STREET, Jefferson, CO

Built 1978 Load: 32.7 t ADT: 1,169

CARR STREET

Fair

Over: MASSEY DRAW

JUST NORTH OF UTE AVENUE, Jefferson, CO

Built 2000 Load: 32.7 t ADT: 1,062

CARR STREET

Fair

Over: MASSEY DRAW

.2 MI S OF KEN CARYL ROAD, Jefferson, CO

Built 1980 Load: 32.7 t ADT: 2,990

LAKEHURST WAY

Fair

Over: HARRIMAN CANAL

.1 MI W OF KIPLING, Jefferson, CO

Built 1963 Load: 32.7 t ADT: 3,162

SURREY DRIVE

Fair

Over: HARRIMAN CANAL

.1 MI W OF KIPLING, Jefferson, CO

Built 1964 Load: 32.7 t ADT: 447

DEPEW STREET

Fair

Over: LOCAL DRAINAGE

.2 MI S OF COAL MINE RD, Jefferson, CO

Built 1970 Load: 32.7 t ADT: 1,261

SHERIDAN BLVD

Fair

Over: LOCAL DRAINAGE

.01 MI S OF ONTARIO AVE, Jefferson, CO

Built 1970 Load: 32.7 t ADT: 346

COON CREEK

Fair

Over: BOWLES AVE

BOWLES & JAY CT, Jefferson, CO

Built 1989 Load: 32.7 t ADT: 26,322

FAIR DRIVE

Fair

Over: COON CREEK

.25 MI SW BOWLES&SHER, Jefferson, CO

Built 1976 Load: 32.7 t ADT: 523

BALSAM WAY

Fair

Over: LOCAL DRAINAGE

1 BLOCK E OF WADSWORTH, Jefferson, CO

Built 1985 Load: 32.7 t ADT: 3,882

PIERCE STREET

Fair

Over: LILLEY GULCH

0.4 MI N OF COALMINE RD, Jefferson, CO

Built 1971 Load: 32.7 t ADT: 16,812

BEAR CREEK PARK RD

Fair

Over: BEAR CREEK TRIB

1.35 MI EAST OF ENTRANCE, Jefferson, CO

Built 1950 Load: 32.7 t ADT: 282

BEAR CREEK PARK RD

Fair

Over: BEAR CREEK TRIB

1.80 MI EAST OF ENTRANCE, Jefferson, CO

Built 1986 Load: 32.7 t ADT: 217

DARTMOUTH AVE

Fair

Over: BEAR CREEK TRIBUTARY

200 FT W OF KIPLING PKWY, Jefferson, CO

Built 1982 Load: 32.7 t ADT: 13,589

FOX HOLLOW LANE

Fair

Over: BEAR CREEK TRIB.

FOX HOLLOW GOLF COURSE, Jefferson, CO

Built 1955 Load: 32.7 t ADT: 491

112TH AVENUE

Fair

Over: BIG BULL CREEK

112TH AVE AT HARLAN ST, Jefferson, CO

Built 1979 Load: 32.7 t ADT: 11,867

SHERIDAN BLVD

Fair

Over: BIG DRY CREEK TRIBUTARY

JUST NORTH OF 98TH AVENUE, Jefferson, CO

Built 1983 Load: 32.7 t ADT: 17,390

YARROW STREET

Fair

Over: FARMERS HIGHLINE CANAL

S. OF 91ST AVENUE, Jefferson, CO

Built 1975 Load: 32.7 t ADT: 2,735

FIELD STREET

Fair

Over: FARMERS HIGHLINE CANAL

JUST SOUTH OF 89TH COURT, Jefferson, CO

Built 1979 Load: 32.7 t ADT: 1,815

INDEPENDENCE DRIVE

Fair

Over: FARMERS HIGHLINE CANAL

S OF INDEPENDENCE CIRCLE, Jefferson, CO

Built 1975 Load: 32.7 t ADT: 4,585

DOVER STREET

Fair

Over: TRIB TO BIG DRY CREEK

104TH AVENUE E WADSWORTH, Jefferson, CO

Built 1978 Load: 32.7 t ADT: 995

32ND AVENUE

Fair

Over: LENA GULCH

0.3 MI E OF I-70, Jefferson, CO

Built 1975 Load: 32.7 t ADT: 10,393

COUNTY ROAD L

Fair

Over: MUSTANG CREEK

.8 MI W OF CR 7, Kiowa, CO

Built 2001 Load: 32.7 t ADT: 10

I 70 ML

Fair

Over: DRAW

14.1 MI E OF FLAGLER, Kit Carson, CO

Built 1964 Load: 32.7 t ADT: 9,000

I 70 ML EBND

Fair

Over: BEAVER CREEK

13.4 MI. E. OF S.H. 57, Kit Carson, CO

Built 1966 Load: 32.7 t ADT: 4,600

I 70 ML

Fair

Over: DRAW

12.0 MI. E. OF US 385, Kit Carson, CO

Built 1967 Load: 32.7 t ADT: 9,900

I 70 ML

Fair

Over: DRAW

10.9 MI. E. OF HWY 385, Kit Carson, CO

Built 1969 Load: 32.7 t ADT: 9,900

COUNTY ROAD 234

Fair

Over: FLORIDA RIVER

,2 MI SW OF CR 225, La Plata, CO

Built 2006 Load: 32.7 t ADT: 2,438

US 550 ML

Fair

Over: ANIMAS RIVER

IN DURANGO, La Plata, CO

Built 1910 Load: 32.7 t ADT: 28,000

FDR 209

Fair

Over: CACHE LA POUDRE RIVER

.04 MI SOUTH OF CO HWY 14, Larimer, CO

Built 1960 Load: 32.7 t ADT: 55

KALEY CABIN ROAD

Fair

Over: BIG THOMPSON RIVER

0.1 MILES WEST OF BEAR LA, Larimer, CO

Built 1982 Load: 32.7 t ADT: 50

U.S. ROUTE 34

Fair

Over: FALL RIVER

2.0 MILES WEST OF FALL RI, Larimer, CO

Built 1983 Load: 32.7 t ADT: 3,310

GLACIER BASIN ROAD

Fair

Over: GLACIER CREEK

ENTRANCE TO GLACIER BASIN, Larimer, CO

Built 1982 Load: 32.7 t ADT: 80

SH 14 ML

Fair

Over: CACHE LA POUDRE RIVER

15.7 MI E OF CHAMBERS LAK, Larimer, CO

Built 1985 Load: 32.7 t ADT: 1,100

SH 14 ML

Fair

Over: FALLS GULCH

10.2 MI W OF JCT US 287, Larimer, CO

Built 1950 Load: 32.7 t ADT: 1,200

SH 34 ML

Fair

Over: DRAW

7.5 MI E OF ESTES PARK, Larimer, CO

Built 1978 Load: 32.7 t ADT: 5,800

SH 392 ML

Fair

Over: West Fork Fossil Creek

0.1 MI E OF Lemay Ave., Larimer, CO

Built 2009 Load: 32.7 t ADT: 11,000

US 34 ML EBND

Fair

Over: BARNES INLET CANAL

IN LOVELAND AT LAKE, Larimer, CO

Built 1969 Load: 32.7 t ADT: 12,500

Rockwell Street

Fair

Over: Big Thompson River

60 Ft W of East River, Larimer, CO

Built 1971 Load: 32.7 t ADT: 4,139

Spruce Street

Fair

Over: Fall River

100 Ft N of Elkhorn Ave, Larimer, CO

Built 1978 Load: 32.7 t ADT: 1,240

Bryan Avenue

Fair

Over: Larimer Co. Canal No. 2

75 Ft N of Westview Ave, Larimer, CO

Built 1960 Load: 32.7 t ADT: 419

Battlecreek Drive

Fair

Over: Unknown Drainage

0.1 Mi W of CR 11, Larimer, CO

Built 2000 Load: 32.7 t ADT: 2,818

Crestmore Court

Fair

Over: Larimer Co. Canal No. 2

0.1 Mi E of Bryan Avenue, Larimer, CO

Built 1955 Load: 32.7 t ADT: 506

Elizabeth Street

Fair

Over: Larimer Co. Canal No. 2

200 Ft E of Bryan Ave, Larimer, CO

Built 1960 Load: 32.7 t ADT: 12,803

Fossil Creek Pkwy.

Fair

Over: Fossil Creek

.1 Mi N Hunt. Hill Dr., Larimer, CO

Built 2001 Load: 32.7 t ADT: 1,646

Heatheridge Rd.

Fair

Over: Larimer Co. Canal No. 2

0.1 Mi N of Stuart St, Larimer, CO

Built 1972 Load: 32.7 t ADT: 2,097

Heatheridge Street

Fair

Over: Importation Channel

0.2 Mi N of Stuart Street, Larimer, CO

Built 1992 Load: 32.7 t ADT: 2,097

Laporte Avenue

Fair

Over: New Mercer Ditch

0.1 Mi W of CR 11, Larimer, CO

Built 1965 Load: 32.7 t ADT: 6,487

Showing 3,551-3,600 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.