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 77

Fair

Over: SYNDER CREEK

2.9 MI SE OF JEFFERSON, Park, CO

Built 2006 Load: 64.2 t ADT: 352

Concrete Tank Rd.

Fair

Over: Drainage ditch

S of Inter. at OConnell, El Paso, CO

Built 2009 Load: 64.5 t ADT: 50

US 491ML

Fair

Over: YELLOW JACKET CREEK

13.8 MI NW OF JCT US 160, Montezuma, CO

Built 1962 Load: 64.5 t ADT: 3,900

Horizon Avenue

Fair

Over: Rock Creek

.1 MI East 120th, Boulder, CO

Built 2000 Load: 64.8 t ADT: 1,043

I 70 FRONTAGE

Fair

Over: DRAW SR

0.1 MI W OF WB DOTSERO EX, Eagle, CO

Built 1935 Load: 64.8 t ADT: 17,000

US6RMP &UNIONB

Fair

Over: LIGHT RAIL

UNION BLVD S OF 6TH/US 6, Jefferson, CO

Built 2010 Load: 64.8 t ADT: 63,000

US 385 ML

Fair

Over: DRAW

8 MI. NO. OF BURLINGTON, Kit Carson, CO

Built 1997 Load: 64.9 t ADT: 740

HANCOCK EXPWY

Fair

Over: LOCAL DRAINAGE

AT INT OF SILVER HAWK AVE, El Paso, CO

Built 1998 Load: 65.1 t ADT: 7,259

OFF RAMP TO TOWER

Fair

Over: SECOND CREEK TRIB

SW OF PENA BLVD/TOWER RD, Denver, CO

Built 1999 Load: 65.4 t ADT: 7,303

COUNTY ROAD 77

Fair

Over: JEFFERSON CREEK

5.7 MI SE OF JEFFERSON, Park, CO

Built 2006 Load: 65.8 t ADT: 349

SH 14 ML

Fair

Over: OWL CREEK

5 MI E OF JCT US 85, Weld, CO

Built 1992 Load: 65.9 t ADT: 2,300

152ND AVENUE

Fair

Over: SPEER CANAL

0.5 MI E OF I-76, Adams, CO

Built 1980 Load: 66.2 t ADT: 7,679

FAIRPLAY ROAD

Fair

Over: BIG SANDY CREEK

0.5 MI N of SWEET ROAD, El Paso, CO

Built 1957 Load: 66.2 t ADT: 167

COUNTY ROAD 221

Fair

Over: DRY WASH

.2 MI W OF BUNRT MILL RD, Pueblo, CO

Built 1988 Load: 66.2 t ADT: 75

Timberline Road

Fair

Over: Spring Creek

100 Ft S of Prospect Rd., Larimer, CO

Built 1986 Load: 66.6 t ADT: 36,342

I 25 ML+SERVICE RD

Fair

Over: BOX ELDER CREEK

5.1 MI N OF JCT SH 14, Larimer, CO

Built 1989 Load: 66.8 t ADT: 28,000

COUNTY ROAD 6E

Fair

Over: SAN LUIS CANAL

1.2 MI N OF CR 1S, Rio Grande, CO

Built 2005 Load: 66.9 t ADT: 886

9th Street

Fair

Over: Boulder Creek

0.08 Mi N of Arapahoe Ave, Boulder, CO

Built 1978 Load: 67.0 t ADT: 14,000

US 24 ML

Fair

Over: DRAW

0.5 MI S.E OF JCT SH 82 S, Lake, CO

Built 1937 Load: 67.0 t ADT: 4,000

COUNTY ROAD 2

Fair

Over: MUSTANG CREEK

6.3 MI S OF CR H, Otero, CO

Built 1967 Load: 67.0 t ADT: 154

US 50 SERVICE RD

Fair

Over: DRAW SR

2.6 MI E OF JCT SH 96, Pueblo, CO

Built 1982 Load: 67.0 t ADT: 716

24TH STREET

Fair

Over: DRY CREEK

INTERSECTION TUX/ 24TH, Pueblo, CO

Built 1981 Load: 67.3 t ADT: 3,872

ARAPAHOE DRIVE

Fair

Over: LITTLES CREEK

AT WEST STERNE PKWY, Arapahoe, CO

Built 1999 Load: 67.4 t ADT: 1,967

US 40 ML

Fair

Over: BARRON GULCH

2.1 MI NW OF HUGO, Lincoln, CO

Built 1991 Load: 67.6 t ADT: 3,700

Interlocken Loop

Fair

Over: Ped. Underpass/Drainage

Just N of Interlocken Blv, Broomfield, CO

Built 2000 Load: 67.8 t ADT: 12,852

O FALLON PARK

Fair

Over: BEAR CREEK

O FALLON PARK, Denver, CO

Built 2003 Load: 67.8 t ADT: 8

US 287 ML

Fair

Over: DRAW

IN BOULDER COUNTY, Boulder, CO

Built 1994 Load: 68.0 t ADT: 39,000

SH 69 ML

Fair

Over: LAKE CREEK

14.6 MI NORTH OF WESTCLIF, Fremont, CO

Built 1949 Load: 68.0 t ADT: 420

US 24 ML

Fair

Over: DRAW

0.6 MI E OF MATHESON, Elbert, CO

Built 1984 Load: 68.3 t ADT: 3,000

US 24 ML

Fair

Over: BIG SANDY CREEK

2.7 MI E OF SIMLA, Elbert, CO

Built 1985 Load: 68.5 t ADT: 3,400

SH 71 ML

Fair

Over: LAKE CREEK

2.9 MI N OF LIMON, Lincoln, CO

Built 1975 Load: 68.6 t ADT: 1,300

I 25 ML

Fair

Over: DRAW

14.3 MI NO OF WALSENBURG, Huerfano, CO

Built 1930 Load: 68.8 t ADT: 14,000

COUNTY ROAD Y

Fair

Over: RUSH CREEK

1 MI W OF CR 49, Kiowa, CO

Built 2001 Load: 69.0 t ADT: 24

SH 13 ML

Fair

Over: FORTIFICATION CREEK

23 MI NORTH OF CRAIG, Moffat, CO

Built 1997 Load: 69.2 t ADT: 1,500

SH 14 ML

Fair

Over: EATON DITCH

5.2 MI E OF US85 / AULT, Weld, CO

Built 1992 Load: 69.3 t ADT: 2,300

HAMPDEN AVENUE

Fair

Over: MEADOWOOD CREEK

.35 MI W OF BUCKLEY RD, Arapahoe, CO

Built 1974 Load: 69.4 t ADT: 27,573

SIMMS STREET

Fair

Over: CROKE CANAL

1.50 MI NORTH OF 64TH AVE, Jefferson, CO

Built 1995 Load: 69.4 t ADT: 12,247

I25ML SBND, RAMPS

Fair

Over: SMITH CREEK

5.1 MI S OF JCT SH 105 ML, El Paso, CO

Built 1957 Load: 69.8 t ADT: 46,000

US 287 ML

Fair

Over: HIGHLAND DITCH

2.1 MI NO OF JCT SH 66, Boulder, CO

Built 1999 Load: 70.1 t ADT: 23,000

CALHAN HWY

Fair

Over: BIG SANDY CREEK

3.0 MI N OF CALHAN, El Paso, CO

Built 1955 Load: 70.1 t ADT: 2,753

SH 71 ML

Fair

Over: COTTONWOOD CREEK

10 MI N OF JCT SH 14, Weld, CO

Built 1957 Load: 70.6 t ADT: 1,000

SH 92

Fair

Over: SMITH CREEK

Just S OF CRAWFORD, Delta, CO

Built 2006 Load: 71.3 t ADT: 1,000

SH 9 ML

Fair

Over: S FK SOUTH PLATTE RVR

0.15 MI N OF US24/HARTSL, Park, CO

Built 1978 Load: 71.3 t ADT: 2,200

CHENANGO DR

Fair

Over: TOLLGATE CREEK

JUST E OF HIMALAYA CT, Arapahoe, CO

Built 1994 Load: 71.4 t ADT: 10,350

SH 13 ML

Fair

Over: PINE RIDGE GULCH

SW EDGE OF CRAIG, Moffat, CO

Built 1973 Load: 71.4 t ADT: 2,800

SH 13 ML

Fair

Over: CURTIS CREEK

4 mil. N. of Meeker, Rio Blanco, CO

Built 1958 Load: 71.5 t ADT: 1,300

US 385 ML

Fair

Over: LADDER CREEK

1.5 MI S OF US 40, Cheyenne, CO

Built 1993 Load: 71.8 t ADT: 730

SH 139 ML

Fair

Over: DOUGLAS CREEK

9.5 MI. S. OF RANGELY, Rio Blanco, CO

Built 1990 Load: 72.5 t ADT: 620

US 40 ML

Fair

Over: DRAW

13.7 MI SE OF HUGO, Lincoln, CO

Built 1991 Load: 72.6 t ADT: 3,000

I 70 ML

Fair

Over: LEWIS GULCH

9.6 MI E OF JCT US 6 ML, Mesa, CO

Built 1964 Load: 72.7 t ADT: 22,000

Showing 5,351-5,400 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.