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 103

Fair

Over: Middle St. Vrain Creek

100 Ft S of St Hwy 72, Boulder, CO

Built 1927 Load: 31.1 t ADT: 56

Public Road

Fair

Over: Coal Creek

.25 M N of Jct US Hwy 287, Boulder, CO

Built 1927 Load: 31.1 t ADT: 10,350

I 70 ML WBND

Fair

Over: FALL RIVER ROAD

2 MI W OF JCT SH 103, Clear Creek, CO

Built 1965 Load: 31.1 t ADT: 18,000

COUNTY ROAD FF

Fair

Over: SANGRE DE CRISTO CK

.6 MI W OF SH 159, Costilla, CO

Built 1965 Load: 31.1 t ADT: 17

ELBERT ROAD

Fair

Over: BLACK SQUIRREL CREEK

0.4 MI N OF LATIGO BLVD, El Paso, CO

Built 1996 Load: 31.1 t ADT: 2,050

SH 86 ML

Fair

Over: DRAW

20.1 MI E OF KIOWA, Elbert, CO

Built 1958 Load: 31.1 t ADT: 840

I 25 ML SBND

Fair

Over: N.POUDRE DITCH,SAND CRK

17.8 MI SOUTH OF WYOMING, Larimer, CO

Built 1967 Load: 31.1 t ADT: 12,500

US 36 ML

Fair

Over: BIG THOMPSON RIVER

IN ESTES PARK, Larimer, CO

Built 1951 Load: 31.1 t ADT: 16,000

SH 71 ML

Fair

Over: DRAW

14.7 MI NORTH OF LIMON, Lincoln, CO

Built 1978 Load: 31.1 t ADT: 1,300

COUNTY ROAD 22

Fair

Over: LONG CREEK

0.7 MI SOUTH OF ROAD 2T, Lincoln, CO

Built 1971 Load: 31.1 t

County Road 57

Fair

Over: White River

0.10 Mi S of Co Rd 8, Rio Blanco, CO

Built 1986 Load: 31.1 t ADT: 145

88TH AVENUE

Fair

Over: BEAR CREEK TRIB

0.9 MI E OF MANILA RD, Adams, CO

Built 1993 Load: 31.2 t ADT: 1,315

WINVIEW ROAD

Fair

Over: BADGER CREEK

0.2 MI S OF 96TH AVENUE, Adams, CO

Built 1993 Load: 31.2 t ADT: 38

SH 83 ML

Fair

Over: CHERRY CRK DAM SPILLWAY

IN AURORA, Arapahoe, CO

Built 1976 Load: 31.2 t ADT: 76,000

I 70 ML

Fair

Over: DRAW

IN DEERTRAIL, Arapahoe, CO

Built 1965 Load: 31.2 t ADT: 11,000

US 24 ML

Fair

Over: DRAW

0.3 MI E OF RAMAH, El Paso, CO

Built 1990 Load: 31.2 t ADT: 3,900

COUNTY ROAD 33

Fair

Over: LAKE FORK GUNNISON RIVER

3.3 MI S OF LAKE CITY, Hinsdale, CO

Built 1990 Load: 31.2 t ADT: 337

I 70 ML

Fair

Over: DRAW

9.9 MI E. OF JCT S.H. 57, Kit Carson, CO

Built 1966 Load: 31.2 t ADT: 9,200

I 70 ML WBND

Fair

Over: COUNTY ROAD 57

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

Built 1969 Load: 31.2 t ADT: 4,950

COUNTY ROAD 23

Fair

Over: HELL CREEK

600 FT N OF ROAD JJ, Kit Carson, CO

Built 1991 Load: 31.2 t ADT: 54

US 287 ML

Fair

Over: HOOK AND MOOR GLADE

1.3 MI N OF JCT SH 14, Larimer, CO

Built 1966 Load: 31.2 t ADT: 6,500

US 287 ML

Fair

Over: DRAW

2.5 MI N OF JCT SH 14, Larimer, CO

Built 1967 Load: 31.2 t ADT: 6,500

US287 ML

Fair

Over: LARIMER COUNTY CANAL

3.6 MI S OF TEDS PLACE, Larimer, CO

Built 1987 Load: 31.2 t ADT: 9,900

Fish Hatchery Road

Fair

Over: Fall River

0.9 Mi S of US Hwy 34, Larimer, CO

Built 1985 Load: 31.2 t ADT: 130

I 70 ACCESS RD

Fair

Over: KYLE RR AR

0.1 MI E OF ARRIBA, Lincoln, CO

Built 1974 Load: 31.2 t ADT: 9,600

I 70 ML WBND

Fair

Over: REED DRAIN

0.6 MI E OF JCT SH 139, Mesa, CO

Built 1970 Load: 31.2 t ADT: 5,500

County Road 4

Fair

Over: Shell Creek

49.0 Mi West of St Hwy 13, Moffat, CO

Built 1964 Load: 31.2 t ADT: 66

County Road 13

Fair

Over: Fort Morgan Canal

50 Ft S of St Hwy 144, Morgan, CO

Built 2004 Load: 31.2 t ADT: 694

SH 82 ML

Fair

Over: LOST MAN CREEK

INDPND PASS, 6 W OF SUMMI, Pitkin, CO

Built 1935 Load: 31.2 t ADT: 1,300

COUNTY ROAD 6

Fair

Over: WOLF CREEK

0.2 MI W OF CR 149, Arapahoe, CO

Built 1991 Load: 31.3 t ADT: 1,074

COUNTY ROAD 13

Fair

Over: FT. LYON CANAL

2.2 MI N OF SH 50, Bent, CO

Built 1985 Load: 31.3 t ADT: 180

Hygiene Rd (Cr 10)

Fair

Over: St. Vrain Creek

1.0 Mi W of Co Rd 31, Boulder, CO

Built 1981 Load: 31.3 t ADT: 502

SH 82 ML

Fair

Over: SOPRIS CREEK

2 MI. N. OF BASALT, Eagle, CO

Built 1987 Load: 31.3 t ADT: 21,000

RAMP TO US 24 EBND

Fair

Over: FOUNTAIN CREEK R

0.8 MI N. OF CIRCLE DR., El Paso, CO

Built 1990 Load: 31.3 t ADT: 6,600

COUNTY ROAD 598

Fair

Over: PICTOU ARROYO

.5 MI SOUTH OF SH 69, Huerfano, CO

Built 1989 Load: 31.3 t ADT: 116

SH 59 ML

Fair

Over: SPRING CREEK

7.5 MI S OF JCT I 70, Kit Carson, CO

Built 1960 Load: 31.3 t ADT: 400

County Road 19

Fair

Over: Cache La Poudre Overflow

1.2 Mi. N. of Co. Rd. 48, Larimer, CO

Built 2003 Load: 31.3 t ADT: 5,617

County Road 70

Fair

Over: North Poudre Canal

0.2 Mi E of Co Rd 9, Larimer, CO

Built 1970 Load: 31.3 t ADT: 6,368

US 138 ML

Fair

Over: POWELL DITCH

7.7 MI NE OF JCT SH 113, Logan, CO

Built 1930 Load: 31.3 t ADT: 690

SH 340 ML WBND

Fair

Over: COLORADO RIVER

SW GRAND JUNCTION, Mesa, CO

Built 1974 Load: 31.3 t ADT: 9,500

IRR# US 160 ML

Fair

Over: AZTEC CREEK

7.5 MI NE OF NEW MEXICO S, Montezuma, CO

Built 1961 Load: 31.3 t ADT: 2,200

US 24 ML

Fair

Over: AGATE CREEK

8.9 MI NE OF CHAFFEE-PARK, Park, CO

Built 1937 Load: 31.3 t ADT: 2,200

HARVEST ROAD

Fair

Over: HUDSON CANAL

0.2 MILE S OF 152ND AVE, Adams, CO

Built 1993 Load: 31.4 t ADT: 325

PEORIA STREET

Fair

Over: O'BRIAN CANAL

0.5 MI NORTH OF 104TH AVE, Adams, CO

Built 1984 Load: 31.4 t ADT: 3,552

US 160 ML

Fair

Over: SAN JUAN RIVER

4.7 MI E OF JCT US 84, Archuleta, CO

Built 1996 Load: 31.4 t ADT: 4,100

SH 67 ML

Fair

Over: WEST PLUM CREEK

NEAR SEDALIA, Douglas, CO

Built 1966 Load: 31.4 t ADT: 3,700

CR 13/MAROON CK RD

Fair

Over: MAROON CREEK

3.0 MI SW ASPEN/MP1.8, Pitkin, CO

Built 1988 Load: 31.4 t ADT: 751

US 50 ML

Fair

Over: TOMICHI CREEK

12 MI E OF DOYLEVILLE, Saguache, CO

Built 1987 Load: 31.4 t ADT: 2,300

County Road 37

Fair

Over: Collins Lateral Canal

0.8 Mi N of Co Rd 86, Weld, CO

Built 1998 Load: 31.4 t ADT: 26

EXPOSITION AVE

Fair

Over: UPPER WESTERLY CREEK

.2 MI EAST OF HAVANA ST, Arapahoe, CO

Built 1972 Load: 31.5 t ADT: 2,952

Showing 2,901-2,950 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.