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

MAPLE STREET

Good

Over: GREEN BELT FLOODWAY

IN LAMAR, Prowers, CO

Built 1975 Load: 32.7 t ADT: 511

US 287 ML

Good

Over: SOUTH MULE CREEK

18.7 MI S OF LAMAR, Prowers, CO

Built 1999 Load: 32.7 t ADT: 3,000

SH 89 ML

Good

Over: NORTH BEAR CREEK

8.6 MI NO OF JCT SH 116, Prowers, CO

Built 2002 Load: 32.7 t ADT: 130

I 25 ML

Good

Over: GRUMA DRIVE

IN PUEBLO, Pueblo, CO

Built 2019 Load: 32.7 t ADT: 52,000

US 50 ML

Good

Over: DRAW

0.6 MI E OF JCT SH 231, Pueblo, CO

Built 1976 Load: 32.7 t ADT: 8,600

CR105 (NICHOLS RD)

Good

Over: ATSF/DRGW RR

JUST S OF BELLA CASA DR, Pueblo, CO

Built 1968 Load: 32.7 t ADT: 1,932

West 31st ST

Good

Over: WILD HORSE CREEK

0.2 MI EAST OF SH45, Pueblo, CO

Built 2005 Load: 32.7 t ADT: 566

CYPRESS ST.

Good

Over: BESSEMER DITCH

CORNER OF BAYSTATE/CYPRES, Pueblo, CO

Built 1965 Load: 32.7 t ADT: 158

NEWMAN AVE.

Good

Over: BESSEMER DITCH

CORNER OF NEWMAN/VAIL, Pueblo, CO

Built 1970 Load: 32.7 t ADT: 1,030

SPRUCE ST.

Good

Over: BESSEMER DITCH

CORNER OF CANAL/SPRUCE, Pueblo, CO

Built 1967 Load: 32.7 t ADT: 254

SH 64 ML

Good

Over: YELLOW CREEK

26 MI E OF RANGELY, Rio Blanco, CO

Built 1997 Load: 32.7 t ADT: 670

SH 112 ML

Good

Over: RIO GRANDE OVERFLOW

0.6 MI N OF JCT US 160, Rio Grande, CO

Built 1947 Load: 32.7 t ADT: 1,800

SH 112 ML

Good

Over: MCLEAN DITCH

5.5 MI NE OF JCT US 160, Rio Grande, CO

Built 1947 Load: 32.7 t ADT: 1,800

COUNTY ROAD 17

Good

Over: RIO GRANDE RIVER

.9 MI N OF SH 160, Rio Grande, CO

Built 1986 Load: 32.7 t ADT: 222

County Road 27

Good

Over: Trout Creek

4.0 Mi NW of St Hwy 131, Routt, CO

Built 2000 Load: 32.7 t ADT: 607

County Road 129

Good

Over: Hot Spring Creek

4.9 Mi N of US Hwy 40, Routt, CO

Built 1996 Load: 32.7 t ADT: 2,812

SH 131 ML

Good

Over: YAMPA RIVER

9.2 MI NO OF JCT SH 134, Routt, CO

Built 1989 Load: 32.7 t ADT: 1,500

US 285 ML

Good

Over: FARMERS UNION CANAL

0.5 MI NO OF JCT SH 112 M, Saguache, CO

Built 1994 Load: 32.7 t ADT: 2,600

COUNTY ROAD 19Q

Good

Over: DISAPPOINTMENT CREEK

5.2 MI S of SH 141, San Miguel, CO

Built 1990 Load: 32.7 t ADT: 6

COUNTY ROAD 63J

Good

Over: S.FORK SAN MIGUEL RIVER

2 MI S OF SH 145, San Miguel, CO

Built 1989 Load: 32.7 t ADT: 78

CARHENGE

Good

Over: SAN MIGUEL RIVER

JUST S OF W. PACIFIC AV, San Miguel, CO

Built 2019 Load: 32.7 t ADT: 431

TOWNSEND STREET

Good

Over: CORNET CREEK

400 FT N of SH145, San Miguel, CO

Built 2006 Load: 32.7 t ADT: 50

REVETT DRIVE

Good

Over: SWAN RIVER

0.1 MI N OF TIGER RD, Summit, CO

Built 1997 Load: 32.7 t ADT: 156

SH 9 ML

Good

Over: PEDESTRIAN UNDERPASS

200 FT S of Peak One Blvd, Summit, CO

Built 2023 Load: 32.7 t ADT: 22,287

US 24 ML

Good

Over: DRAW

1.8 MI E OF FLORISSANT, Teller, CO

Built 2023 Load: 32.7 t ADT: 5,400

US 24 ML

Good

Over: DRAW

2.1 MI E OF FLORISSANT, Teller, CO

Built 2023 Load: 32.7 t ADT: 5,400

US 6 ML

Good

Over: SOUTH PLATTE DITCH

16.2 MI NO OF JCT I-76, Washington, CO

Built 1926 Load: 32.7 t ADT: 1,000

US 36 ML

Good

Over: DRAW

3.9 MI W OF LAST CHANCE, Washington, CO

Built 2005 Load: 32.7 t ADT: 560

County Road 44

Good

Over: Little Thompson River

0.4 Mi E of Hwy I-25, Weld, CO

Built 2018 Load: 32.7 t ADT: 2,273

US 85 ML

Good

Over: Platte Valley Canal

2.3 MI S OF SH 66, Weld, CO

Built 1991 Load: 32.7 t ADT: 20,000

SH 52 ML

Good

Over: BOX ELDER CREEK

2.7 MI E OF JCT I-76, Weld, CO

Built 1965 Load: 32.7 t ADT: 2,900

County Road 1

Good

Over: Coal Creek

300 Ft N of Bixler Blvd, Weld, CO

Built 1996 Load: 32.7 t ADT: 5,198

County Road 11

Good

Over: Sullivan Ditch

0.7 Mi N of Co Rd 16, Weld, CO

Built 2004 Load: 32.7 t ADT: 912

TIPPLE PKWY/CO16

Good

Over: LOWER BOULDER DITCH

0.9 MI E OF CO RD 7, Weld, CO

Built 2012 Load: 32.7 t ADT: 49

83rd Ave. (CR 27)

Good

Over: Sheep Draw

1.0 M N of US Hwy 34 Bypa, Weld, CO

Built 2004 Load: 32.7 t ADT: 6,152

Two Rivers Parkway

Good

Over: Loveland Greeley Canal

.2 Mi N 37th St/77th Ave, Weld, CO

Built 2000 Load: 32.7 t ADT: 1,032

35th Avenue

Good

Over: Greeley No. 3 Ditch

0.3 Mi North of 4th St, Weld, CO

Built 1976 Load: 32.7 t ADT: 10,593

County Road 3.25

Good

Over: Sullivan Ditch

150 Ft N of St Hwy 52, Weld, CO

Built 2004 Load: 32.7 t ADT: 259

County Road 14

Good

Over: Speer Canal

2.2 Mi E of Co Rd 31, Weld, CO

Built 1978 Load: 32.7 t ADT: 608

County Road 33

Good

Over: Collins Lateral Ditch

0.1 Mi. N. of Co. Rd. 86, Weld, CO

Built 1996 Load: 32.7 t ADT: 550

County Road 153

Good

Over: Pawnee Creek

1.3 Mi S of Co Rd 100, Weld, CO

Built 1997 Load: 32.7 t ADT: 34

15TH ST

Good

Over: New Cache LaPoudre Canal

0.3 MI N OF SH392, Weld, CO

Built 2011 Load: 32.7 t ADT: 9,231

17TH ST

Good

Over: GREELEY NO. 2 CANAL

0.3 MI N OF ST HWY 392, Weld, CO

Built 2004 Load: 32.7 t ADT: 1,985

Eastman Park Dr.

Good

Over: Whitney Ditch

0.2 Mi East of 7th Street, Weld, CO

Built 1981 Load: 32.7 t ADT: 10,186

County Road RR

Good

Over: Trib. of Arikaree River

0.50 Mi N of Co Rd 24, Yuma, CO

Built 1990 Load: 32.7 t ADT: 37

RAMP TO I 70 WBND

Good

Over: 40TH AVE ML R

PENA BLVD OVER 40TH AVE, Adams, CO

Built 1993 Load: 32.8 t ADT: 33,000

US 36 ML

Good

Over: FLAT IRON CIRCLE EAST

NEAR FLATIRONS CROSSING, Broomfield, CO

Built 1999 Load: 32.8 t ADT: 62,000

COUNTY ROAD P.6

Good

Over: UNNAMED DRAINAGE

0.4 MI E OF SAN LUIS, Costilla, CO

Built 2006 Load: 32.8 t ADT: 1,230

RUSSELLVILLE ROAD

Good

Over: EAST CHERRY CREEK

1.6 MI NE OF HIGHWAY 83, Douglas, CO

Built 1996 Load: 32.8 t ADT: 1,291

SH 470 ML WBND

Good

Over: KEN CARYL RD

10.2 MI S. OF I 70, Jefferson, CO

Built 1987 Load: 32.8 t ADT: 29,000

Showing 6,801-6,850 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.