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

US 491 ML

Poor

Over: ALKALI CREEK

1.5 MILES NW CAHONE, Dolores, CO

Built 1937 Load: 89.8 t ADT: 3,400

US 50 ML WBND

Poor

Over: SIX MILE CREEK

1.4 MI W OF JCT SH 67, Fremont, CO

Built 1949 Load: 89.8 t ADT: 7,000

SH 13 ML

Poor

Over: FORTIFICATION CREEK

10.8 MI N OF CRAIG, Moffat, CO

Built 1982 Load: 89.8 t ADT: 1,500

US 285 ML

Poor

Over: DRAW

9.1 MI N. OF PONCHA SPRGS, Chaffee, CO

Built 1957 Load: 99.9 t ADT: 8,600

PLUM CREEK PKWY

Poor

Over: SELLARS GULCH

.1 MI W OF LAKE GULCH RD, Douglas, CO

Built 1987 Load: 99.9 t ADT: 14,950

LATIGO BLVD

Poor

Over: BLACK SQUIRREL CREEK

1.5 MI E OF MERIDIAN ROAD, El Paso, CO

Built 1988 Load: 99.9 t ADT: 1,163

US 34 ML

Poor

Over: STILLWATER CREEK

5.5 MI S OF GRAND LAKE, Grand, CO

Built 1938 Load: 99.9 t ADT: 4,900

COUNTY ROAD 360

Poor

Over: WAHATOYA CREEK

0.6 MI W OF CR 362, Huerfano, CO

Built 1986 Load: 99.9 t ADT: 57

YOUNGFIELD CT

Poor

Over: LOCAL DRAINAGE

N OF ALAMEDA AT PARK SER., Jefferson, CO

Built 1975 Load: 99.9 t ADT: 1,460

KENTUCKY DR

Poor

Over: WEIR GULCH

1/2 BLK W OF PIERCE ST, Jefferson, CO

Built 1970 Load: 99.9 t ADT: 5,467

COUNTY ROAD 27

Poor

Over: ARIKAREE RIVER

.8 MI NORTH OF CR T, Lincoln, CO

Built 1999 Load: 99.9 t ADT: 8

County Road 70

Poor

Over: McCracken Draw 2 Butte

1.1 Mi E of Co Rd 81, Logan, CO

Built 1989 Load: 99.9 t ADT: 10

COUNTY ROAD 64

Poor

Over: N FK SOUTH PLATTE RIVER

W OF BAILEY/S OF US285, Park, CO

Built 1960 Load: 99.9 t ADT: 1,401

CITY ST - MAHONEY

Poor

Over: SAN MIGUEL RIVER

700 FT S of SH145, San Miguel, CO

Built 1995 Load: 99.9 t ADT: 833

County Road GG

Poor

Over: Hell Creek

1.9 Mi. N. of Co. Rd. 27, Washington, CO

Built 1985 Load: 99.9 t ADT: 8

Showing 8,951-8,965 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.