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

COUNTY ROAD 34

Good

Over: RATTLESNAKE CREEK

JUST EAST OF CR 185, Arapahoe, CO

Built 1991 Load: 29.1 t ADT: 126

COUNTY ROAD 306

Good

Over: CLEAR CREEK

1 MI NE GEORGETOWN LAKE, Clear Creek, CO

Built 2008 Load: 29.1 t ADT: 391

SH 71 ML

Good

Over: DITCH

10 MI S OF PUNKIN CENTER, Lincoln, CO

Built 1962 Load: 29.1 t ADT: 650

SH 141 ML

Good

Over: DRAW

6.5 MI S. OF GATEWAY, Mesa, CO

Built 1960 Load: 29.1 t ADT: 260

SH 96 ML

Good

Over: BOONE CREEK

3 MI E OF JCT SH 229, Pueblo, CO

Built 1993 Load: 29.1 t ADT: 1,600

County Road 67

Good

Over: S F Williams Fork River

0.7 Mi S of Co Rd 29, Routt, CO

Built 1992 Load: 29.1 t ADT: 31

County Road 13

Good

Over: St. Vrain Creek

0.5 Mi N of Co Rd 26, Weld, CO

Built 2004 Load: 29.1 t ADT: 29

BRIGHTON ROAD

Good

Over: FULTON DITCH

250 FT S of 112TH AVE, Adams, CO

Built 2022 Load: 29.2 t ADT: 1,518

Mountain Dr.

Good

Over: Clover Basin Ditch

200 ft S. of Four Leaf Dr, Boulder, CO

Built 2018 Load: 29.2 t ADT: 1,399

CASCADE AVE

Good

Over: CHEYENNE CREEK

JUST N 0F CHEYENNE ROAD, El Paso, CO

Built 1987 Load: 29.2 t ADT: 6,059

WOODMEN RD

Good

Over: ACADEMY BLVD.

AT ACADEMY, El Paso, CO

Built 2011 Load: 29.2 t ADT: 43,035

SH 21B NBND ML

Good

Over: PINE CREEK

NB POWERS BLVD N/ CO SPRN, El Paso, CO

Built 2014 Load: 29.2 t ADT: 18,500

COUNTY ROAD 157

Good

Over: ARKANSAS RIVER

JUST NORTH OF US 50, Fremont, CO

Built 2021 Load: 29.2 t ADT: 104

US 40 ML

Good

Over: TROUBLESOME CREEK

4.62 MI E OF JCT SH9, Grand, CO

Built 1996 Load: 29.2 t ADT: 2,400

US 40 ML

Good

Over: BIG MUDDY CREEK

IN KREMMLING, Grand, CO

Built 1996 Load: 29.2 t ADT: 3,100

OLD GOLDEN ROAD

Good

Over: LENA GULCH

East of Noble Road, Jefferson, CO

Built 2014 Load: 29.2 t ADT: 17,591

SH 14 ML

Good

Over: CACHE LA POUDRE RIVER

22.6 MI E OF CHAMBERS LAK, Larimer, CO

Built 1990 Load: 29.2 t ADT: 1,100

Crown Point Dr.

Good

Over: Cache La Poudre River

Just S of CR 14, Larimer, CO

Built 2018 Load: 29.2 t ADT: 37

G Road

Good

Over: N Leach Creek

E. of 24 Rd, Mesa, CO

Built 2022 Load: 29.2 t ADT: 6,685

US 40 ML

Good

Over: YAMPA RIVER

3 MI EAST OF MAYBELL, Moffat, CO

Built 1998 Load: 29.2 t ADT: 760

County Road Z

Good

Over: Dove Creek Canal Reach 1

Yellow Jacket, Colorado, Montezuma, CO

Built 1985 Load: 29.2 t ADT: 30

COUNTY ROAD 6

Good

Over: RIVERSIDE CANAL

0.6 MI N OF CO RD BB, Morgan, CO

Built 2012 Load: 29.2 t ADT: 33

County Road V

Good

Over: Beaver Creek & Lpb C

0.5 Mi E of Co Rd 31, Morgan, CO

Built 2018 Load: 29.2 t ADT: 45

County Road 34

Good

Over: Peterson Ditch

0.3 Mi. E. of Co. Rd. 34, Sedgwick, CO

Built 1996 Load: 29.2 t ADT: 66

McClure Ave

Good

Over: Unnamed Stream

110 ft E of Colorado BLVD, Weld, CO

Built 2018 Load: 29.2 t ADT: 2,731

County Road 45

Good

Over: New Cache La Poudre Cana

.8 Mi N of St Hwy 392, Weld, CO

Built 2015 Load: 29.2 t ADT: 137

County Road 68

Good

Over: Crow Creek

0.7 Mi E of Co Rd 59, Weld, CO

Built 2018 Load: 29.2 t ADT: 1,909

County Road 78

Good

Over: Larimer and Weld Canal

0.3 Mi E of Co Rd 27, Weld, CO

Built 1992 Load: 29.2 t ADT: 572

County Road 65

Good

Over: N. Sterling Outlet Canal

20 Ft S of Co Rd 64, Logan, CO

Built 1997 Load: 29.3 t ADT: 39

US 550 ML NBND

Good

Over: UNCOMPAHGRE RIVER

S EDGE OF MONTROSE, Montrose, CO

Built 1976 Load: 29.3 t ADT: 6,500

COUNTY ROAD DD

Good

Over: N.FK SMOKEY HILL RVR

.7 MI E OF CR 31, Cheyenne, CO

Built 1992 Load: 29.4 t ADT: 8

US 385 ML

Good

Over: N FK LADDER CREEK

1.4 MI S OF US 40, Cheyenne, CO

Built 1960 Load: 29.4 t ADT: 730

I 70 ML WBND

Good

Over: COUNTY ROAD

DOWNIEVILLE INT., Clear Creek, CO

Built 1965 Load: 29.4 t ADT: 18,500

I 70 ML EBND

Good

Over: COUNTY ROAD

2.5 MI E OF JCT US 40, Clear Creek, CO

Built 1965 Load: 29.4 t ADT: 18,500

US 50 ML

Good

Over: BLUE CREEK

11.2 MI E OF CIMARRON, Gunnison, CO

Built 1936 Load: 29.4 t ADT: 2,800

COUNTY ROAD 351

Good

Over: CUCHARAS RIVER

.3 MI SOUTH OF US 160, Huerfano, CO

Built 1999 Load: 29.4 t ADT: 104

SHERIDAN BLVD

Good

Over: BIG DRY CREEK

0.2 MI S OF 112TH AVENUE, Jefferson, CO

Built 1995 Load: 29.4 t ADT: 28,771

US 34 ML

Good

Over: BIG THOMPSON RIVER

2 MI E OF ESTES PARK, Larimer, CO

Built 2010 Load: 29.4 t ADT: 5,800

SH 55 ML

Good

Over: SOUTH PLATTE RIVER

1.3 MI S OF JCT SH55+US13, Logan, CO

Built 1987 Load: 29.4 t ADT: 460

SH 55 ML

Good

Over: SOUTH PLATTE RIVER

1.4 MI S OF JCT SH55+US13, Logan, CO

Built 1987 Load: 29.4 t ADT: 460

SH 55 ML

Good

Over: SOUTH PLATTE RIVER

1.5 MI S OF JCT SH55+US13, Logan, CO

Built 1987 Load: 29.4 t ADT: 460

COUNTY ROAD 38.8

Good

Over: ORCHARD MESA CANAL

.1 MI S OF US 6, Mesa, CO

Built 1989 Load: 29.4 t ADT: 236

SH 392 ML

Good

Over: GREELEY CANAL NO 2

7.8 MI E OF SH 257, Weld, CO

Built 1969 Load: 29.4 t ADT: 6,500

County Road 1

Good

Over: ST VRAIN CREEK

.5 mi south of SH119, Boulder, CO

Built 2014 Load: 29.5 t ADT: 9,344

I 25 ML NBND

Good

Over: EAST PLUM CREEK

WEST OF CASTLE ROCK BUS.D, Douglas, CO

Built 2010 Load: 29.5 t ADT: 41,000

CHAMBERS RD NB

Good

Over: NEWLIN GULCH

1.1 MI N of HESS ROAD, Douglas, CO

Built 2017 Load: 29.5 t ADT: 8,373

CR324/Maxfield Rd

Good

Over: West Divide Creek

150 FT W of CO Rd 311, Garfield, CO

Built 2014 Load: 29.5 t ADT: 106

SH 14 ML

Good

Over: BOYD GULCH

6.7 MI W OF JCT US 287, Larimer, CO

Built 2018 Load: 29.5 t ADT: 3,000

BUZZARD CREEK RD

Good

Over: BUZZARD CREEK

JUST S OF PE ROAD, Mesa, CO

Built 1987 Load: 29.5 t ADT: 470

SH 330 ML

Good

Over: PLATEAU CREEK

3.3 MI E OF JCT SH 65, Mesa, CO

Built 1975 Load: 29.5 t ADT: 1,300

Showing 6,201-6,250 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.