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 4

Fair

Over: Little Thompson River

0.9 Mi E of Co Rd 21, Larimer, CO

Built 1984 Load: 30.5 t ADT: 1,228

I 25 ML NBND

Fair

Over: LONE TREE CREEK

3.8 MI S. OF WYOMING S.L., Weld, CO

Built 1963 Load: 30.5 t ADT: 10,000

I 25 ML SBND

Fair

Over: LONE TREE CREEK

3.7 MI S OF WYOMING S.L., Weld, CO

Built 1963 Load: 30.5 t ADT: 10,000

County Road 25

Fair

Over: Big Thompson River

0.3 Mi N of St Hwy 60, Weld, CO

Built 1984 Load: 30.5 t ADT: 1,840

County Road 53

Fair

Over: Latham Ditch

20 Ft N of Co Rd 54.25, Weld, CO

Built 1992 Load: 30.5 t ADT: 7,344

County Road 54

Fair

Over: Loveland Greeley Canal

0.6 Mi E of Co Rd 19, Weld, CO

Built 1999 Load: 30.5 t ADT: 5,971

LOWELL BLVD

Fair

Over: BEAR CREEK

JUST SOUTH OF US285, Arapahoe, CO

Built 1980 Load: 30.6 t ADT: 5,444

SERVICE ROAD

Fair

Over: CLEAR CREEK SR

3.2 MI E OF JCT US 40, Clear Creek, CO

Built 1965 Load: 30.6 t ADT: 36,000

I 225 ML NBND

Fair

Over: TAMARAC PARKWAY

IN DENVER, Denver, CO

Built 1975 Load: 30.6 t ADT: 64,000

US 40 ML

Fair

Over: APEX GULCH

COLFAX AT I 70 EB RAMP, Jefferson, CO

Built 1968 Load: 30.6 t ADT: 24,000

COUNTY ROAD 30

Fair

Over: LANDSMAN CREEK

2 MI S OF COUNTY RD M, Kit Carson, CO

Built 1986 Load: 30.6 t ADT: 395

COUNTY ROAD 33.75

Fair

Over: GRAND VALLEY CANAL

0.25 MI N OF RD E.25, Mesa, CO

Built 1967 Load: 30.6 t ADT: 280

SH 165 ML

Fair

Over: COLD SPRING CREEK

5.4 MI W. OF I25, Pueblo, CO

Built 1991 Load: 30.6 t ADT: 554

County Road 31

Fair

Over: Platte Valley Canal

0.3 Mi n of Co Rd 36, Weld, CO

Built 1980 Load: 30.6 t ADT: 186

County Road 50

Fair

Over: Box Elder Creek

0.8 Mi E of Co Rd 59, Weld, CO

Built 2006 Load: 30.6 t ADT: 118

144TH AVENUE

Fair

Over: LOST CREEK TRIBUTARY

0.8 MI W OF CONVERSE ROAD, Adams, CO

Built 1988 Load: 30.7 t ADT: 653

I 25 ML SBND & HOV

Fair

Over: CLEAR CREEK

0.2 MI N. OF 76 ML, Adams, CO

Built 1993 Load: 30.7 t ADT: 121,000

HAVANA ST/SH 30 ML

Fair

Over: HIGHLINE CANAL

AT EXPOSITION ST IN AUROR, Arapahoe, CO

Built 1965 Load: 30.7 t ADT: 38,000

US 160 ML

Fair

Over: YELLOW JACKET CREEK

15 MI E. OF BAYFIELD, Archuleta, CO

Built 1958 Load: 30.7 t ADT: 4,300

US 285 ML

Fair

Over: RIO SAN ANTONIO

4.8 MI NORTH OF NEW MEXIC, Conejos, CO

Built 1938 Load: 30.7 t ADT: 1,200

COUNTY LANE 15

Fair

Over: BOB CREEK

JUST S OF ROAD E.25, Crowley, CO

Built 1993 Load: 30.7 t ADT: 63

SH 71 ML

Fair

Over: BOB CREEK CANAL

3.3 MI N OF JCT SH 96 E, Crowley, CO

Built 1955 Load: 30.7 t ADT: 570

NEVADA AVENUE

Fair

Over: TEMPLETON GAP FLOODWAY

SOUTH OF MOUNTVIEW STREET, El Paso, CO

Built 1949 Load: 30.7 t ADT: 18,345

HANISCH ROAD

Fair

Over: HORSE CREEK

0.3 MI E OF MULBERRY ROAD, El Paso, CO

Built 1965 Load: 30.7 t ADT: 10

I 70 ML WBND

Fair

Over: ELK CREEK

NEAR NEW CASTLE, Garfield, CO

Built 1972 Load: 30.7 t ADT: 12,500

County Road 311

Fair

Over: Colorado River

0.7 Mi S of I-70 Fr. Rd., Garfield, CO

Built 1993 Load: 30.7 t ADT: 2,586

US 50 ML

Fair

Over: UP RR

0.4 MI. E. OF JCT. I-70 M, Mesa, CO

Built 1997 Load: 30.7 t ADT: 16,000

I 70 ML

Fair

Over: RAPID CREEK

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

Built 1963 Load: 30.7 t ADT: 18,000

SH 141 ML

Fair

Over: WEST CREEK

4.8 MI NE OF GATEWAY, Mesa, CO

Built 1963 Load: 30.7 t ADT: 540

COUNTY ROAD 31.5

Fair

Over: GRAND VALLEY CANAL

.2 MI N OF RD E, Mesa, CO

Built 2001 Load: 30.7 t ADT: 3,072

SH 144 ML

Fair

Over: JACKSON LAKE OUTLET

6.5 MI E OF JCT US 34, Morgan, CO

Built 1925 Load: 30.7 t ADT: 410

COUNTY ROAD 25

Fair

Over: FORT LYON STORAGE CANAL

.1 MI N OF SH 266, Otero, CO

Built 1992 Load: 30.7 t ADT: 222

COUNTY ROAD 805

Fair

Over: FT.LYON STG CANAL SLUICE

.3 MI W OF SH 71, Otero, CO

Built 1968 Load: 30.7 t ADT: 17

US 287 ML

Fair

Over: WILLOW CREEK

1.8 MI S OF LAMAR, Prowers, CO

Built 1947 Load: 30.7 t ADT: 3,300

COUNTY ROAD 5N

Fair

Over: RIO GRANDE RIVER

Near County Road 5W, Rio Grande, CO

Built 1974 Load: 30.7 t ADT: 425

SH 131 ML

Fair

Over: CHIMNEY ROCK CREEK

1.5 MI S OF YAMPA, Routt, CO

Built 1938 Load: 30.7 t ADT: 860

152ND AVENUE

Fair

Over: MUDDY CREEK

1.5 MI E OF PRICE ROAD, Adams, CO

Built 1960 Load: 30.8 t ADT: 24

QUINCY AVE

Fair

Over: HIGHLINE CANAL

0.26 MI E OF COLO BLVD, Arapahoe, CO

Built 1935 Load: 30.8 t ADT: 5,061

Martin Street

Fair

Over: Saint Vrain River

0.1 Mi N of SH119, Boulder, CO

Built 2009 Load: 30.8 t ADT: 11,759

COUNTY ROAD 3

Fair

Over: RUSH CREEK

4.1 MI N OF CR A, Cheyenne, CO

Built 1988 Load: 30.8 t ADT: 14

I 70 ML

Fair

Over: COUNTY ROAD

1 MI W OF SILVERPLUME, Clear Creek, CO

Built 1968 Load: 30.8 t ADT: 33,000

GOSHAWK DETENTION

Fair

Over: Goshawk Dam Spillway

6.3 mi NE of Antonito, CO, Conejos, CO

Built 1999 Load: 30.8 t ADT: 25

STADIUM BLVD NB

Fair

Over: DEADMANS CREEK

2000' S. OF NORTH GATE DR, El Paso, CO

Built 1958 Load: 30.8 t ADT: 1,760

STADIUM BLVD SB

Fair

Over: DEADMANS CREEK

2000' S. OF NORTH GATE DR, El Paso, CO

Built 1958 Load: 30.8 t ADT: 1,760

US 24 ML WBND

Fair

Over: CRYSTAL HILLS BLVD

0.3 MI NW OF JCT COLO AVE, El Paso, CO

Built 1967 Load: 30.8 t ADT: 21,500

US 24 EB PLATTE AV

Fair

Over: PETERSON FIELD ROAD

3/4 MI E OF POWERS BLVD, El Paso, CO

Built 1967 Load: 30.8 t ADT: 18,000

CROSSROAD

Fair

Over: UP RR AR

.05 MI EAST OF PARACHUTE, Garfield, CO

Built 1982 Load: 30.8 t ADT: 9,907

I 70 ML WBND

Fair

Over: COUNTY ROAD 59

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

Built 1969 Load: 30.8 t ADT: 4,950

I 70 ML EBND

Fair

Over: COUNTY ROAD 53

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

Built 1969 Load: 30.8 t ADT: 4,950

I 70 ML WBND

Fair

Over: COUNTY ROAD 53

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

Built 1969 Load: 30.8 t ADT: 4,950

Showing 2,801-2,850 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.