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 35

Fair

Over: KICKING BIRD CANAL

1 MI N OF CR VV, Bent, CO

Built 1984 Load: 32.5 t ADT: 45

COUNTY LANE 10

Fair

Over: COLORADO CANAL

.2 MI NORTH OF ROAD H, Crowley, CO

Built 1991 Load: 32.5 t ADT: 104

RMP TO I25/AUR.PKW

Fair

Over: RMP TO I25 NB

IN DENVER, Denver, CO

Built 1988 Load: 32.5 t ADT: 49,000

I 70 ML EBND

Fair

Over: UP RR

0.5 MI E of JCT 6 - RIFLE, Garfield, CO

Built 1975 Load: 32.5 t ADT: 8,500

County Road 118

Fair

Over: Crystal River

Mt Sopris Road, Garfield, CO

Built 1992 Load: 32.5 t ADT: 58

SH 391 ML NBND

Fair

Over: ILIFF GULCH

KIPLING 1.5 MI N OF US285, Jefferson, CO

Built 1981 Load: 32.5 t ADT: 18,500

County Road 4E

Fair

Over: Little Thompson River

0.5 Mi E of Co Rd 17, Larimer, CO

Built 1975 Load: 32.5 t ADT: 121

I 70 ML WBND

Fair

Over: ADOBE CREEK

2.5 MI E OF JCT SH 340, Mesa, CO

Built 1969 Load: 32.5 t ADT: 9,000

I 70 ML EBND

Fair

Over: ADOBE CREEK

2.5 MI W OF FRUITA INT., Mesa, CO

Built 1969 Load: 32.5 t ADT: 9,000

CR 906 (BUCKHORN)

Fair

Over: UNCOMPAHGRE RIVER

0.1 MI E OF US 550, Ouray, CO

Built 1982 Load: 32.5 t ADT: 402

SH 141 ML

Fair

Over: DOLORES RIVER

AT SLICK ROCK, San Miguel, CO

Built 1962 Load: 32.5 t ADT: 200

County Road 48

Fair

Over: Gilmore Ditch

0.5 Mi E of Co Rd 47, Weld, CO

Built 1998 Load: 32.5 t ADT: 97

I 25 ML

Fair

Over: PEDESTRIAN UNDERPASS

THORNTON, Adams, CO

Built 1955 Load: 32.6 t ADT: 154,000

I 70 ML EBND

Fair

Over: COLORADO RIVER

7.3 MI E / GLNWD SPRINGS, Garfield, CO

Built 1992 Load: 32.6 t ADT: 8,500

County Road 3

Fair

Over: Colorado River

Rd Williams Fk Reservoir, Grand, CO

Built 1992 Load: 32.6 t ADT: 1,230

County Road 32

Fair

Over: Illinois River

0.9 Mi E of St Hwy 125, Jackson, CO

Built 1995 Load: 32.6 t ADT: 64

SH 95 ML

Fair

Over: CLEAR CREEK

Sheridan 1.0 MI N of I 70, Jefferson, CO

Built 1953 Load: 32.6 t ADT: 37,000

West 1st Street

Fair

Over: Greeley Loveland Canal

50 Ft W of Franklin Ave., Larimer, CO

Built 1988 Load: 32.6 t ADT: 4,384

I 70 ACCESS RD

Fair

Over: KYLE RR AR

GENOA EXIT, Lincoln, CO

Built 1975 Load: 32.6 t ADT: 519

IRR BIA RTE 206

Fair

Over: MANCOS RIVER

28.2 KM E OF CHIMNEY ROCK, Montezuma, CO

Built 1976 Load: 32.6 t ADT: 100

I 25 ML SBND

Fair

Over: GREENHORN CREEK

1 MI SO OF JCT SH 165 ML, Pueblo, CO

Built 1965 Load: 32.6 t ADT: 7,000

County Road 45

Fair

Over: Hudson Annex Canal

1.0 Mi N of Co Rd 6, Weld, CO

Built 1969 Load: 32.6 t ADT: 2,756

County Road 56

Fair

Over: Crow Creek

1.4 Mi E of Co Rd 57, Weld, CO

Built 1995 Load: 32.6 t ADT: 512

C STREET

Fair

Over: HAVANA INTERCEPTOR

C STREET, Adams, CO

Built 1973 Load: 32.7 t ADT: 10

E. 120TH AVE

Fair

Over: LOCAL DRAINAGE

0.7 MI W OF HAYSMOUNT RD, Adams, CO

Built 2007 Load: 32.7 t ADT: 2,091

DOWNING DRIVE

Fair

Over: NIVER CREEK

DOWNING AT CORONADO PKWY, Adams, CO

Built 1965 Load: 32.7 t ADT: 2,510

17TH AVENUE

Fair

Over: WESTERLY GULCH

17TH AVE AND BEELER ST, Adams, CO

Built 1981 Load: 32.7 t ADT: 1,409

E. 64TH AVE.

Fair

Over: LOCAL DRAINAGE

0.5 MI E of DUNKIRK ST., Adams, CO

Built 2016 Load: 32.7 t ADT: 6,463

PICADILLY ROAD

Fair

Over: FIRST CREEK

1.0 MI S OF 56TH AVE, Adams, CO

Built 2007 Load: 32.7 t ADT: 2,717

48TH AVE

Fair

Over: FIRST CREEK

.2 MI E OF PICADILLY RD, Adams, CO

Built 2007 Load: 32.7 t ADT: 212

BROMLEY LANE

Fair

Over: S OUTFALL DRAINAGE

.3 MI WEST OF SH 85, Adams, CO

Built 1999 Load: 32.7 t ADT: 4,844

FRONTAGE ROAD

Fair

Over: LOCAL DRAINAGE

0.2 MI EAST OF TOWER ROAD, Adams, CO

Built 2005 Load: 32.7 t ADT: 2,019

FULTON AVENUE

Fair

Over: SOUTHERN OUTFALL DRAINAG

.2 MI S OF BROMLEY LANE, Adams, CO

Built 2006 Load: 32.7 t ADT: 437

96TH AVENUE

Fair

Over: SECOND CREEK

0.3 MI EAST OF CHAMBERS, Adams, CO

Built 2014 Load: 32.7 t ADT: 10,390

BRIDGE STREET

Fair

Over: FULTON CANAL

E. END OF BRIGHTON, Adams, CO

Built 1964 Load: 32.7 t ADT: 21,209

E-470

Fair

Over: LOCAL DRAINAGE

37.30 MI FROM I-25, Adams, CO

Built 2002 Load: 32.7 t ADT: 40,466

E-470 Ramp G

Fair

Over: First Creek

20.67 MI from I-25, Adams, CO

Built 1997 Load: 32.7 t ADT: 2,200

112TH PLACE

Fair

Over: FARMERS HIGHLINE CA

JUST W OF NORTHGLENN DR, Adams, CO

Built 1960 Load: 32.7 t ADT: 555

MALLEY DRIVE

Fair

Over: FARMERS HIGHLINE CA

JUST E OF HIGHLINE DRIVE, Adams, CO

Built 1960 Load: 32.7 t ADT: 13,261

108TH AVENUE

Fair

Over: GRANGE HALL CREEK

750 FT E OF COLORADO BLVD, Adams, CO

Built 1975 Load: 32.7 t ADT: 2,849

COLORADO BLVD

Fair

Over: GRANGE HALL CREEK

0.12 MI N OF 108TH AVE, Adams, CO

Built 1979 Load: 32.7 t ADT: 19,542

COLORADO BLVD

Fair

Over: BRANTNER GULCH

INT OF CO BLVD/124TH AVE, Adams, CO

Built 1979 Load: 32.7 t ADT: 10,591

GILPIN STREET

Fair

Over: LOCAL DRAINAGE

.1 MI S OF 168th AVE, Adams, CO

Built 2005 Load: 32.7 t ADT: 1,257

WASHINGTON STREET

Fair

Over: NIVER CREEK

JUST S OF CORONADO PKWY, Adams, CO

Built 1960 Load: 32.7 t ADT: 24,177

YORK STREET

Fair

Over: LOCAL DRAINAGE

JUST S OF 150TH AVENUE, Adams, CO

Built 2002 Load: 32.7 t ADT: 3,806

HYLAND GREENS PL

Fair

Over: FARMERS HIGHLINE CANAL

JUST N OF 98TH AVENUE, Adams, CO

Built 1980 Load: 32.7 t ADT: 452

ASPEN STREET

Fair

Over: EAST TOLLGATE CREEK

0.2 miles North of Southg, Arapahoe, CO

Built 1999 Load: 32.7 t ADT: 3,400

COUNTY ROAD 129

Fair

Over: BRANCH OF KIOWA CREEK

1 MI NORTH OF CO RD 30, Arapahoe, CO

Built 1964 Load: 32.7 t ADT: 609

COUNTY ROAD 18

Fair

Over: RATTLESNAKE CREEK

2.9 MILES E OF CR 181, Arapahoe, CO

Built 1968 Load: 32.7 t ADT: 130

E. ILIFF AVE.

Fair

Over: HIGHLINE CANAL TRAIL

0.5 W OF PARKER RD., Arapahoe, CO

Built 2012 Load: 32.7 t ADT: 38,491

Showing 3,101-3,150 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.