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

I 25 ML NBND

Fair

Over: POWELL ARROYO

0.8 MI NO OF JCT SH 239, Las Animas, CO

Built 1948 Load: 31.8 t ADT: 6,000

I 25 ML SBND

Fair

Over: POWELL ARROYO

19.4 MI SO OF AGUILAR RD, Las Animas, CO

Built 1969 Load: 31.8 t ADT: 6,000

SH 94 ML

Fair

Over: SOUTH RUSH CREEK

8.7 MI E OF JCT SH 71, Lincoln, CO

Built 1990 Load: 31.8 t ADT: 440

I 70 ML WBND

Fair

Over: HUNTER WASH

4.5 MI E OF JCT SH 340, Mesa, CO

Built 1969 Load: 31.8 t ADT: 9,000

I 70 ML EBND

Fair

Over: I 70 FRONTAGE ROAD

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

Built 1963 Load: 31.8 t ADT: 9,000

I 70 ML WBND

Fair

Over: I 70 FRONTAGE ROAD

12.6 MI W OF JCT SH 65 ML, Mesa, CO

Built 1963 Load: 31.8 t ADT: 9,000

County Road 70

Fair

Over: Willow Creek

3.6 Mi SW of Co Rd 101, Moffat, CO

Built 1955 Load: 31.8 t ADT: 14

COUNTY ROAD 93

Fair

Over: SQUAW CREEK

N OF SH50 , MP 112.6, Montrose, CO

Built 1927 Load: 31.8 t ADT: 10

US 50 ML

Fair

Over: CO RD, UP RR

PUEBLO/0.1 MI E OF I-25, Pueblo, CO

Built 1958 Load: 31.8 t ADT: 30,000

I 25 ML NBND

Fair

Over: ST CHARLES RIVER

13 MI NO OF JCT SH 165 ML, Pueblo, CO

Built 1963 Load: 31.8 t ADT: 7,500

County Road 129

Fair

Over: S.Fk Little Snake River

42.6 Mi N of US Hwy 40, Routt, CO

Built 1975 Load: 31.8 t ADT: 131

County Road 17

Fair

Over: Unnamed Draw

2.4 Mi. E. of St. Hwy. 63, Washington, CO

Built 1993 Load: 31.8 t ADT: 31

County Road 33

Fair

Over: Evans Ditch No. 2

0.5 Mi N of Co Rd 38, Weld, CO

Built 1978 Load: 31.8 t ADT: 372

County Road 84

Fair

Over: Collins Lateral Canal

0.1 Mi E of Co Rd 29, Weld, CO

Built 1987 Load: 31.8 t ADT: 84

HAMPDEN AVENUE

Fair

Over: LOCAL DRAINAGE

JUST E OF HIMALAYA WAY, Arapahoe, CO

Built 1995 Load: 31.9 t ADT: 14,517

COUNTY ROAD 39.4

Fair

Over: DRY CREEK

0.1 MI N OF CR CC, Baca, CO

Built 1960 Load: 31.9 t ADT: 33

US 287 ML

Fair

Over: TRIB HORSE CREEK

9.7 MI N. OF SPRINGFIELD, Baca, CO

Built 1975 Load: 31.9 t ADT: 3,000

SH 86 ML

Fair

Over: COMANCHE CREEK

5.0 MI E OF KIOWA, Elbert, CO

Built 1966 Load: 31.9 t ADT: 1,600

I 70 ML EBND

Fair

Over: ACCESS RD, COLORADO RVR

SHOSHONE POWER PLANT, Garfield, CO

Built 1987 Load: 31.9 t ADT: 8,500

County Road 300

Fair

Over: Colorado River

8.5 m SW STONE QUARRY RD, Garfield, CO

Built 1985 Load: 31.9 t ADT: 585

COUNTY ROAD 16

Fair

Over: SOUTH BOULDER CREEK

6.6 MI W SH119, Gilpin, CO

Built 1987 Load: 31.9 t ADT: 238

I 25 ML SBND

Fair

Over: BEAR CREEK

0.4 MI S OF SH10-WLSNBRG, Huerfano, CO

Built 1963 Load: 31.9 t ADT: 5,000

SH 59 ML

Fair

Over: HELL CREEK

12.6 MI. N. OF SEIBERT, Kit Carson, CO

Built 1960 Load: 31.9 t ADT: 580

COUNTY RD 12.5

Fair

Over: SAN FRANCISCO CREEK

4 MI W OF CR 105.5, Las Animas, CO

Built 1966 Load: 31.9 t ADT: 17

JAY JAY ROAD

Fair

Over: SELIG CANAL

4.8 MI NW OF MONTROSE, Montrose, CO

Built 1989 Load: 31.9 t ADT: 605

COUNTY ROAD LL

Fair

Over: AMITY CANAL

.1 MI W OF CR 8.5, Prowers, CO

Built 1986 Load: 31.9 t ADT: 557

I 76 ML

Fair

Over: DRAW

1.4 MI NE OF JCT US 385, Sedgwick, CO

Built 1969 Load: 31.9 t ADT: 9,200

Co Rd 19

Fair

Over: Peterson Ditch

50 Ft. So. of Co. Rd. 30, Sedgwick, CO

Built 1988 Load: 31.9 t ADT: 520

US 34 ML WBND

Fair

Over: UP RR

IN GREELEY, Weld, CO

Built 1962 Load: 31.9 t ADT: 16,500

County Road 47

Fair

Over: Gilmore Ditch

0.6 Mi N of Co Rd 40, Weld, CO

Built 2000 Load: 31.9 t ADT: 331

DOWNING ST

Fair

Over: CHERRY CREEK

DOWNING ST AT SPEER BLVD, Denver, CO

Built 1983 Load: 32.0 t ADT: 9,726

COUNTY ROAD 150

Fair

Over: WEST BIJOU CREEK

4 MILES EAST OF C.R. 65, Elbert, CO

Built 1990 Load: 32.0 t ADT: 120

COUNTY ROAD 9

Fair

Over: WILSON CREEK

2.6 MI N HIGH STREET, Fremont, CO

Built 1995 Load: 32.0 t ADT: 405

7TH PLACE

Fair

Over: TUCKER GULCH

JUST EAST OF FORD STREET, Jefferson, CO

Built 1966 Load: 32.0 t ADT: 3,525

COUNTY ROAD 29

Fair

Over: E.BRANCH OF SPRING CREEK

0.2 MILES NORTH OF ROAD W, Kit Carson, CO

Built 1984 Load: 32.0 t ADT: 39

COUNTY ROAD 29

Fair

Over: SPRING CREEK

1.6 MILES NORTH OF ROAD Y, Kit Carson, CO

Built 1988 Load: 32.0 t ADT: 45

COUNTY ROAD 31

Fair

Over: HELL CREEK

0.9 MILES SOUTH OF ROAD M, Kit Carson, CO

Built 1991 Load: 32.0 t ADT: 403

COUNTY ROAD 39

Fair

Over: MANCOS RIVER

JUST S OF CR G, Montezuma, CO

Built 1991 Load: 32.0 t ADT: 139

COUNTY ROAD Z26

Fair

Over: TABEGUACHE CREEK

.3 MI N OF CR V24, Montrose, CO

Built 1970 Load: 32.0 t ADT: 8

HERMAN RD

Fair

Over: IRONSTONE CANAL

.5 MI W OF S RIVER RD, Montrose, CO

Built 1989 Load: 32.0 t ADT: 27

COUNTY ROAD 13

Fair

Over: ARKANSAS RIVER

5.4 MI E OF LAMAR, Prowers, CO

Built 1995 Load: 32.0 t ADT: 169

County Road 136

Fair

Over: Crow Creek

0.05 Mi E of Co Rd 79, Weld, CO

Built 1991 Load: 32.0 t ADT: 335

152ND AVENUE

Fair

Over: NERES CANAL

0.3 MI E. OF GUN CLUB RD, Adams, CO

Built 1989 Load: 32.1 t ADT: 6,361

I 25 ML NBND

Fair

Over: CLEAR CREEK

0.2 MILE NORTH OF I76 ML, Adams, CO

Built 1993 Load: 32.1 t ADT: 121,000

30th Street

Fair

Over: North Goose Creek

At Mapleton & 30th St, Boulder, CO

Built 1994 Load: 32.1 t ADT: 21,233

SQUIRREL CRK RD

Fair

Over: WILLIAMS CREEK

4.5 MI E OF LINK ROAD, El Paso, CO

Built 1974 Load: 32.1 t ADT: 563

ELLICOTT HIGHWAY

Fair

Over: BLACK SQUIRREL CK TRIB.

1.5 MI N OF JUDGE ORR RD, El Paso, CO

Built 1996 Load: 32.1 t ADT: 1,756

RMP TO FRONTAGE RD

Fair

Over: MAMM CREEK R

3.4 M E OF RIFLE CITY LIM, Garfield, CO

Built 1984 Load: 32.1 t ADT: 684

COUNTY ROAD 20

Fair

Over: HENSON CREEK

1.4 MI to ENGINEERS PASS, Hinsdale, CO

Built 1986 Load: 32.1 t ADT: 142

US 385 ML

Fair

Over: SMOKEY HILL RIVER

15 MI S OF BURLINGTON, Kit Carson, CO

Built 1954 Load: 32.1 t ADT: 720

Showing 3,001-3,050 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.