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 11

Fair

Over: BUFFALO CREEK

1.5 MILES NORTH OF ROAD Y, Kit Carson, CO

Built 1960 Load: 30.8 t ADT: 1

SH 14 ML

Fair

Over: HILLS GULCH

41 MI EAST OF CHAMBERS LA, Larimer, CO

Built 1950 Load: 30.8 t ADT: 1,100

I 25 ML NBND

Fair

Over: BERWIND CANYON

10.8 ML NO OF JCT SH 239, Las Animas, CO

Built 1969 Load: 30.8 t ADT: 6,000

US 6 ML

Fair

Over: SOUTH PLATTE R OVFLW

1.1 MI EAST OF JCT SH 14, Logan, CO

Built 1957 Load: 30.8 t ADT: 9,900

SH 145 ML

Fair

Over: DOLORES RIVER

S. EDGE OF DOLORES, Montezuma, CO

Built 1972 Load: 30.8 t ADT: 4,300

COUNTY ROAD 6530

Fair

Over: CEDAR CREEK

.2 MI N OF SAN JUAN, Montrose, CO

Built 1988 Load: 30.8 t ADT: 1,981

SH 266 ML

Fair

Over: FT LYON STORAGE CANAL

4.9 MI NE OF ROCKY FORD, Otero, CO

Built 1954 Load: 30.8 t ADT: 330

US 350 ML

Fair

Over: IRON SPRINGS ARROYO

5.9 MI NE OF DELHI, Otero, CO

Built 1936 Load: 30.8 t ADT: 470

BOX CANYON ROAD

Fair

Over: RED MOUNTAIN CREEK

EXIT ROAD FROM BOX CANYON, Ouray, CO

Built 1990 Load: 30.8 t ADT: 220

US 6 ML

Fair

Over: N.FK.FRENCHMAN CREEK

1 MI W of Paoli, Phillips, CO

Built 2004 Load: 30.8 t ADT: 1,900

County Road 21

Fair

Over: S Fork Frenchman Creek

0.4 Mi No of Co Rd 20, Phillips, CO

Built 1988 Load: 30.8 t ADT: 74

US 50 BUS. RTE

Fair

Over: ARKANSAS RIVER

IN PUEBLO, Pueblo, CO

Built 1978 Load: 30.8 t ADT: 18,000

County Road S

Fair

Over: Sand Creek

0.1 Mi. N. of Co. Rd. 18, Washington, CO

Built 1993 Load: 30.8 t ADT: 54

SH 60 ML

Fair

Over: HILLSBORO DITCH

IN JOHNSTOWN, Weld, CO

Built 1957 Load: 30.8 t ADT: 11,000

COUNTY ROAD 12

Fair

Over: PLUM CREEK

.8 MI S OF CR JJ, Baca, CO

Built 1930 Load: 30.9 t ADT: 21

COUNTY ROAD 36

Fair

Over: NORTH FORK CIMARRON RVR

.8 MI N OF CR M, Baca, CO

Built 1960 Load: 30.9 t ADT: 48

FDR 504

Fair

Over: NARRAGUINNEP CANYON

11.6 MI ON FDR 504, Dolores, CO

Built 1937 Load: 30.9 t ADT: 20

I 70 ML WBND

Fair

Over: AGATE CRK or (BIJOU CRK)

14.2 MI WEST OF RIVERBEND, Elbert, CO

Built 1971 Load: 30.9 t ADT: 5,500

I 70 ML

Fair

Over: CARR STREET

IN ARVADA, Jefferson, CO

Built 1967 Load: 30.9 t ADT: 118,000

County Road 29

Fair

Over: Missouri Canyon Creek

2.7 Mi N of Co Rd 22H, Larimer, CO

Built 1979 Load: 30.9 t ADT: 330

County Road 70

Fair

Over: North Poudre Canal

50 Ft E of Co Rd 13, Larimer, CO

Built 1950 Load: 30.9 t ADT: 5,642

I 25 ML NBND

Fair

Over: TINGLEY CANYON

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

Built 1969 Load: 30.9 t ADT: 6,000

I 25 ML NBND

Fair

Over: TIMBER CANYON

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

Built 1969 Load: 30.9 t ADT: 6,000

SH 71 ML

Fair

Over: LONG CREEK

10.3 MILES SOUTH OF LIMON, Lincoln, CO

Built 1957 Load: 30.9 t ADT: 700

US 40 ML

Fair

Over: SEVEN MILE CREEK

7.8 MI SE OF HUGO, Lincoln, CO

Built 1978 Load: 30.9 t ADT: 3,000

FDR 648

Fair

Over: W FORK OF SAN JUAN RIVER

13.7 MI NNE OF PAGOSA SPG, Mineral, CO

Built 1954 Load: 30.9 t ADT: 32

COUNTY ROAD 9.4

Fair

Over: LAMAR CANAL

.2 MI S OF SH 50, Prowers, CO

Built 1993 Load: 30.9 t ADT: 393

COUNTY ROAD 12

Fair

Over: AMITY CANAL

JUST NORTH OF CR LL, Prowers, CO

Built 1987 Load: 30.9 t ADT: 148

COUNTY ROAD RR

Fair

Over: WILEY DRAINAGE

.7 MI W OF US 285, Prowers, CO

Built 1996 Load: 30.9 t ADT: 52

SH 45 ML SBND

Fair

Over: UP RR

W. EDGE OF PUEBLO, Pueblo, CO

Built 1982 Load: 30.9 t ADT: 10,000

I 25 ML NBND

Fair

Over: Access Road

17.9 MI NO OF JCT SH 165, Pueblo, CO

Built 1963 Load: 30.9 t ADT: 7,500

I 25 ML SBND

Fair

Over: ACCESS ROAD

7.6 MI SO OF JCT US 50 PU, Pueblo, CO

Built 1963 Load: 30.9 t ADT: 7,500

I 25 ML NBND

Fair

Over: GREENHORN CREEK

23.3 MI NO OF JCT US 160, Pueblo, CO

Built 1948 Load: 30.9 t ADT: 7,000

I 25 ML NBND

Fair

Over: SCROGGS ARROYO

2.6 MI NO OF JCT SH 160, Pueblo, CO

Built 1965 Load: 30.9 t ADT: 7,500

County Road 14

Fair

Over: Yampa River

0.3 Mi W of US Hwy 40, Routt, CO

Built 1988 Load: 30.9 t ADT: 674

County Road 179

Fair

Over: Trout Creek

1.5 mi S of US Hwy 40, Routt, CO

Built 1985 Load: 30.9 t ADT: 308

COUNTY ROAD X

Fair

Over: SAGUACHE CREEK

.3 MI E OF CR 52, Saguache, CO

Built 1984 Load: 30.9 t ADT: 335

SH 257 ML

Fair

Over: GREELEY CANAL

1.7 MI N/ SH 392/WINDSOR, Weld, CO

Built 1966 Load: 30.9 t ADT: 7,700

County Road 6

Fair

Over: South Platte R. Overflow

1.4 Mi E of Co Rd 23, Weld, CO

Built 2001 Load: 30.9 t ADT: 3,053

SH 95 ML

Fair

Over: RR SPUR

IN WESTMINSTER, Adams, CO

Built 1976 Load: 31.0 t ADT: 31,000

SH 88 (BELLEVIEW)

Fair

Over: GREENWOOD GULCH

2.1 MI W. OF JCT I25, Arapahoe, CO

Built 1991 Load: 31.0 t ADT: 32,000

COUNTY ROAD 36

Fair

Over: FT. LYON CANAL

.5 MI N OF CR TT, Bent, CO

Built 1991 Load: 31.0 t ADT: 31

SH 69 ML

Fair

Over: DRAW

1.7 MILES NW OF FARISITA, Huerfano, CO

Built 1940 Load: 31.0 t ADT: 740

I 70 ML EBND

Fair

Over: COUNTY ROAD 55

7.4 MI. E. OF HWY 385, Kit Carson, CO

Built 1969 Load: 31.0 t ADT: 4,950

I 70 ML WBND

Fair

Over: COUNTY ROAD 55

5.4 MI. W. OF COLO.-KANSA, Kit Carson, CO

Built 1969 Load: 31.0 t ADT: 4,950

SH 52 ML

Fair

Over: RIVERSIDE CANAL

3 MI NO FT MORGAN, Morgan, CO

Built 1967 Load: 31.0 t ADT: 2,100

US 50 ML WBND

Fair

Over: BNSF RR

1.5 MI E. OF MANZANOLA, Otero, CO

Built 1969 Load: 31.0 t ADT: 2,800

SH 9 ML

Fair

Over: MIDDLE FK S.PLATTE RVR

9.7 MI SW OF FAIRPLAY 285, Park, CO

Built 1951 Load: 31.0 t ADT: 2,300

County Road 22

Fair

Over: S Fork Frenchman Creek

0.7 Mi. No. of Co. Rd. 11, Phillips, CO

Built 1994 Load: 31.0 t ADT: 19

SH 96 ML

Fair

Over: RED CREEK

6.8 MI EAST OF JCT SH 67, Pueblo, CO

Built 1933 Load: 31.0 t ADT: 1,000

Showing 2,851-2,900 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.