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 37

Fair

Over: HORSE CREEK

2.2 MI N OF KK, Baca, CO

Built 1994 Load: 41.3 t ADT: 87

COUNTY ROAD 45

Fair

Over: HORSE CREEK

1 MI N OF CR KK, Baca, CO

Built 1992 Load: 41.3 t ADT: 91

Prospect Road CR24

Fair

Over: Boulder Feeder Ditch

0.3 Mi E of Co Rd 57, Boulder, CO

Built 1988 Load: 41.3 t ADT: 180

US 40 ML

Fair

Over: DRAW

9.4 MI SE OF LINCOLN-CHYN, Cheyenne, CO

Built 1933 Load: 41.3 t ADT: 3,300

RAILROAD ST.

Fair

Over: GARLAND DITCH

IN BLANCA, Costilla, CO

Built 1992 Load: 41.3 t ADT: 26

JUDGE ORR ROAD

Fair

Over: SPRING CREEK

2.4 MI E OF ELLICOTT HWY, El Paso, CO

Built 1950 Load: 41.3 t ADT: 1,658

US 350 ML

Fair

Over: BENTEN ARROYO

5.4 MI E OF JCT SH 71, Otero, CO

Built 2002 Load: 41.3 t ADT: 320

US 85 ML SBND

Fair

Over: CO.RD 39.5, UP RR

N END OF GREELEY, Weld, CO

Built 1962 Load: 41.3 t ADT: 4,750

I 76 ML WBND

Fair

Over: LOST CREEK

JUST E OF ROGGEN, Weld, CO

Built 1959 Load: 41.3 t ADT: 6,000

I 76 ML EBND

Fair

Over: LOST CREEK

JUST NE OF ROGGEN, Weld, CO

Built 1959 Load: 41.3 t ADT: 6,000

3RD AVENUE

Fair

Over: ADONEA TRIBUTARY

EAST OF N NEWBERN WAY, Arapahoe, CO

Built 2005 Load: 41.4 t ADT: 966

NB PENA BLVD

Fair

Over: FIRST CREEK

2.75 MI NORTH OF I-70, Denver, CO

Built 1993 Load: 41.4 t ADT: 49,885

TWENTY MILE ROAD

Fair

Over: BALDWIN GULCH

0.2 MI S OF PINE DRIVE, Douglas, CO

Built 2005 Load: 41.4 t ADT: 11,352

17th Street

Fair

Over: Boulder Creek

0.4 Mi So of Canyon Blvd., Boulder, CO

Built 1985 Load: 41.5 t ADT: 7,658

I 70 ML EBND

Fair

Over: AGATE CRK or (BIJOU CRK)

0.7 MI E OF RD TO AGATE, Elbert, CO

Built 1958 Load: 41.5 t ADT: 5,500

I 70 ML WBND

Fair

Over: UP RR

BTWN NEW CASTLE & GLENWOO, Garfield, CO

Built 1971 Load: 41.5 t ADT: 15,500

RAMP TO I 70 WBND

Fair

Over: BAIR RANCH RD, DRAW R

Bair Ranch N. Ramp, Garfield, CO

Built 1985 Load: 41.5 t ADT: 208

I 25 ML SBND

Fair

Over: CUCHARAS RIVER

0.3 MI S OF SH10-WLSNBRG., Huerfano, CO

Built 1963 Load: 41.5 t ADT: 5,000

US 550 SBND ML

Fair

Over: DRAW

2 MI. NORTH OF NEW MEXICO, La Plata, CO

Built 2008 Load: 41.5 t ADT: 4,050

COUNTY RD 74.2

Fair

Over: APISHAPA RIVER

8.3 MI W OF US 350, Las Animas, CO

Built 1995 Load: 41.5 t ADT: 19

SH 94 ML

Fair

Over: LITTLE HORSE CREEK

14 MI W OF PUNKIN CENTER, Lincoln, CO

Built 1962 Load: 41.5 t ADT: 630

County Road 6.5

Fair

Over: Bijou Canal

0.2 Mi N of Co Rd V, Morgan, CO

Built 1995 Load: 41.5 t ADT: 35

US 50 ML EBND

Fair

Over: DRY CREEK

IN PUEBLO, 2 Mi E of I-25, Pueblo, CO

Built 1958 Load: 41.5 t ADT: 3,850

I 25 ML NBND

Fair

Over: DRAW

10.5 MI N OF JCT US 50 W, Pueblo, CO

Built 1958 Load: 41.5 t ADT: 17,500

US 34 ML

Fair

Over: LOVELAND-GREELEY CANAL

3.8 MI W OF JCT US 85-C, Weld, CO

Built 1967 Load: 41.5 t ADT: 32,000

20TH HOV/DUT RAMP

Fair

Over: RR/PARKING LOT

RAMP SO OF 20TH HOV @ E E, Denver, CO

Built 1994 Load: 41.6 t ADT: 2,200

I70 ML EBND

Fair

Over: BNSF|CITY STREET|LTRAIL

46TH AVE & HUMBOLDT ST., Denver, CO

Built 2003 Load: 41.6 t ADT: 73,000

COUNTY ROAD 79

Fair

Over: SAN MIGUEL RIVER

AT URAVAN/S OF SH 141, Montrose, CO

Built 1988 Load: 41.6 t ADT: 36

COUNTY ROAD 24

Fair

Over: DALLAS CREEK

4 MI W OF US 550, Ouray, CO

Built 2000 Load: 41.6 t ADT: 282

COUNTY ROAD 24

Fair

Over: PLEASANT VALLEY CREEK

4.2 MI W OF US 550, Ouray, CO

Built 2000 Load: 41.6 t ADT: 281

COUNTY ROAD 201

Fair

Over: DRY WASH

7.5 MI N OF SH 78, Pueblo, CO

Built 1992 Load: 41.6 t ADT: 153

FACULTY DRIVE

Fair

Over: LEHMAN RUN

500' N. OF INTERIOR DR. O, El Paso, CO

Built 1958 Load: 41.7 t ADT: 285

County Road 6

Fair

Over: Lake Grandby, Buchanan C

East End of Lake Granby, Grand, CO

Built 1993 Load: 41.7 t ADT: 478

Grand Avenue

Fair

Over: NORTH FORK GUNNISON RVR

0.4 MI S OF JCT SH 133, Delta, CO

Built 1955 Load: 41.8 t ADT: 2,165

NB I-25 Onramp

Fair

Over: I-25 Offramp to Broadway

I-25/Washington St., Denver, CO

Built 2005 Load: 41.8 t ADT: 94,000

C470 EB RAMP TO 25

Fair

Over: LRT

EB470/SB25 Ramp, Douglas, CO

Built 2005 Load: 41.8 t ADT: 85,500

NO DATA ENTERED

Fair

Over: LIME CREEK

NO DATA ENTERED, Eagle, CO

Built 2011 Load: 41.8 t ADT: 50

I 25 ML SBND

Fair

Over: DRAW

9.4 MI S OF JCT SH 29, El Paso, CO

Built 1956 Load: 41.8 t ADT: 23,500

US 40 ML

Fair

Over: FORK OF SAND CREEK

1 MI E OF HUGO, Lincoln, CO

Built 1976 Load: 41.8 t ADT: 5,000

US 50 ML EBND

Fair

Over: THOMPSON ARROYO

2.6 MI E OF JCT SH 109, Otero, CO

Built 1957 Load: 41.8 t ADT: 1,600

COUNTY ROAD 57P

Fair

Over: SAN MIGUEL RIVER

.1 MI S OF SH 145, San Miguel, CO

Built 1987 Load: 41.8 t ADT: 243

COUNTY ROAD P

Fair

Over: ADOBE CREEK

10.2 MI W OF SH 96, Kiowa, CO

Built 1992 Load: 41.9 t ADT: 10

COUNTY RD 90.0

Fair

Over: MUDDY CREEK

1.8 MI E OF SH 109, Las Animas, CO

Built 1992 Load: 41.9 t ADT: 12

US 50 ML

Fair

Over: DRAW

5.1 MI E OF JCT SH 96, Pueblo, CO

Built 1926 Load: 41.9 t ADT: 9,200

US 34 ML

Fair

Over: SHEEP DRAW

6 MI W OF GREELEY, Weld, CO

Built 1999 Load: 41.9 t ADT: 26,000

SH 83 RAMP

Fair

Over: PEDESTRIAN/BIKEWAY

HAMPDEN AVE./ PARKER RD, Arapahoe, CO

Built 2003 Load: 42.0 t ADT: 74,000

COUNTY ROAD 19

Fair

Over: CULEBRA CREEK

0.5 MI SW OF CR 21, Costilla, CO

Built 1988 Load: 42.0 t ADT: 88

SCHOOL ACCESS

Fair

Over: LOCAL DRAINAGE

JUST N OF MESA RIDGE PKWY, El Paso, CO

Built 1996 Load: 42.0 t ADT: 106

SH 470 ML WBND

Fair

Over: DUTCH CREEK

.5 MI S. OF BOWLES, Jefferson, CO

Built 1988 Load: 42.0 t ADT: 29,000

I 70 ML EBND

Fair

Over: SAND CREEK

9.4 MI E OF FLAGLER, Kit Carson, CO

Built 1970 Load: 42.0 t ADT: 5,000

Showing 4,701-4,750 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.