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%.

Condition Distribution

Colorado35.3%59.9%GoodFairPoor
Bridge inventory deck-condition mix - Colorado (FHWA NBI)

Counties (64)

Adams 535 Alamosa 16 Arapahoe 391 Archuleta 44 Baca 106 Bent 68 Boulder 311 Broomfield 66 Chaffee 84 Cheyenne 61 Clear Creek 77 Conejos 62 Costilla 39 Crowley 28 Custer 20 Delta 64 Denver 458 Dolores 28 Douglas 263 Eagle 174 El Paso 686 Elbert 85 Fremont 137 Garfield 167 Gilpin 19 Grand 88 Gunnison 100 Hinsdale 31 Huerfano 94 Jackson 47 Jefferson 464 Kiowa 31 Kit Carson 130 La Plata 102 Lake 17 Larimer 559 Las Animas 207 Lincoln 129 Logan 182 Mesa 319 Mineral 26 Moffat 80 Montezuma 61 Montrose 118 Morgan 192 Otero 195 Ouray 39 Park 55 Phillips 27 Pitkin 62 Prowers 137 Pueblo 264 Rio Blanco 54 Rio Grande 71 Routt 96 Saguache 41 San Juan 13 San Miguel 59 Sedgwick 64 Summit 57 Teller 27 Washington 75 Weld 614 Yuma 49

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.

County Road 59

Poor

Over: N. Sterling Outlet Canal

0.3 Mi N of Co Rd 58, Logan, CO

Built 1940 Load: 1.4 t ADT: 6

COTTONWOOD ST

Poor

Over: NORTH CRESTONE CREEK

IN TOWN OF CRESTONE, Saguache, CO

Built 1991 Load: 2.3 t ADT: 65

CO Rd 32

Poor

Over: Feeder Ditch

0.28 MI E of Co Rd 75, Las Animas, CO

Built 1970 Load: 2.7 t ADT: 7

POTOMAC STREET

Poor

Over: OBRIAN CANAL

0.2 MILE NORTH OF SH 2, Adams, CO

Built 1940 Load: 3.8 t ADT: 190

88TH AVENUE

Poor

Over: KIOWA CREEK

0.1 MI E OF WOLF CREEK RD, Adams, CO

Built 1950 Load: 4.5 t ADT: 532

IRR# CO RD 500

Poor

Over: CAT CREEK

NEAR CAMADO, Archuleta, CO

Built 1927 Load: 4.7 t ADT: 36

All Bridges in Colorado

MONROE ST

Good

Over: EAST HARVARD GULCH

MONROE ST N OF VASSAR AVE, Denver, CO

Built 1967 Load: 24.1 t ADT: 538

SB E470 RAMP-120TH

Good

Over: Obrian Canal

34.42 MI FROM I25, Adams, CO

Built 2002 Load: 24.3 t ADT: 660

NFSR 292

Good

Over: CHALK CREEK

JUST N OF CR 162, Chaffee, CO

Built 1989 Load: 24.3 t ADT: 9

E-470 EB

Good

Over: Happy Canyon Creek

3.26 MI FROM I 25, Douglas, CO

Built 1990 Load: 24.3 t ADT: 24,896

NFSR 496

Good

Over: ENCAMPMENT RIVER

3.7 MI. SE OF HOG PARK CG, Jackson, CO

Built 1967 Load: 24.3 t ADT: 216

County Road Y.5

Good

Over: Jackson Lake Outlet Cana

0.4 Mi W of Co Rd 4, Morgan, CO

Built 2016 Load: 24.3 t ADT: 336

County Road 38

Good

Over: New Ish Ditch

0.1 Mi E of Co Rd 3, Weld, CO

Built 1960 Load: 24.3 t ADT: 113

HOT SPRINGS RD.

Good

Over: PONCHA CREEK

.2 MI S of US 50, Chaffee, CO

Built 2004 Load: 24.4 t ADT: 154

County Road 82

Good

Over: Boxelder Creek Tributary

0.5 Mi E of Co Rd 15, Larimer, CO

Built 1980 Load: 24.4 t ADT: 363

County Road 25

Good

Over: Peterson Ditch

0.4 Mi. No. of Co. Rd. 32, Sedgwick, CO

Built 1984 Load: 24.4 t ADT: 10

SH 131 ML

Good

Over: EAGLE RIVER

0.7 MI N OF JCT I70, Eagle, CO

Built 2005 Load: 24.5 t ADT: 2,200

US 50 ML

Good

Over: CEDAR CREEK

3 MI EAST OF MONTROSE, Montrose, CO

Built 1958 Load: 24.5 t ADT: 5,000

E-470 NB

Good

Over: Big Dry Creek

44.98 MI FROM I25, Adams, CO

Built 2003 Load: 24.6 t ADT: 18,236

E-470 SB

Good

Over: Big Dry Creek

44.98 MI FROM I25, Adams, CO

Built 2001 Load: 24.6 t ADT: 18,466

I 70 ML

Good

Over: CLEAR CREEK

2.0 MI E OF JCT SH 130, Clear Creek, CO

Built 1989 Load: 24.6 t ADT: 47,000

E-470 WB

Good

Over: Happy Canyon Creek

3.26 MI FROM I 25, Douglas, CO

Built 1989 Load: 24.6 t ADT: 26,727

BECKERS LANE

Good

Over: FOUNTAIN CREEK

150 FT N OF MANITOU AVE, El Paso, CO

Built 2021 Load: 24.6 t ADT: 1,622

NFSR 200

Good

Over: PONCHA CREEK

7.5 MI SSW OF PONCHA SPGS, Saguache, CO

Built 1985 Load: 24.6 t ADT: 33

N SPRING GULCH RD

Good

Over: CLEAR CREEK AR

3.7 MI EAST OF JCT US 40, Clear Creek, CO

Built 1965 Load: 24.7 t ADT: 36,000

RAMP TO SH 470 EBD

Good

Over: BEAR CREEK R

SW CRNR OF MORRISON RD.IN, Jefferson, CO

Built 1989 Load: 24.7 t ADT: 39,500

COUNTY ROAD FF

Good

Over: OTERO CANAL

.1 MI E OF CR 14, Otero, CO

Built 1966 Load: 24.7 t ADT: 154

US 550 ML

Good

Over: CHAFFEE GULCH

8.7 MI N OF JCT SH 62, Ouray, CO

Built 1975 Load: 24.8 t ADT: 8,300

COMM. VEH. ROAD

Good

Over: RTD COMMUTER LINE

S OF TERMINAL BLDG, Denver, CO

Built 2017 Load: 24.9 t ADT: 1,749

SH 115 ML

Good

Over: DRAW

11.3 MI S / SH83 CO SPGS, El Paso, CO

Built 1960 Load: 24.9 t ADT: 8,900

US 50 ML EBND

Good

Over: EIGHT MILE CREEK

1.0 MI E OF JCT SH 67, Fremont, CO

Built 1976 Load: 24.9 t ADT: 7,000

County Road 33

Good

Over: Trout Creek

.3 Mi NE of CR 179, Routt, CO

Built 2010 Load: 24.9 t ADT: 277

I 70 ML

Good

Over: DRAW

7.2 MI E OF JCT SH 65 ML, Mesa, CO

Built 1959 Load: 25.0 t ADT: 17,000

S JACKSON PL

Good

Over: HIGH LINE CANAL

0.2 MI S OF SH88, Arapahoe, CO

Built 2017 Load: 25.1 t ADT: 6,503

LIGGETT ROAD

Good

Over: BRANCH OF PLUM CREEK

0.2 MI W OF I-25, Douglas, CO

Built 1988 Load: 25.1 t ADT: 2,833

SH 9 ML

Good

Over: BLUE RIVER

4.1 MI NO OF BRECKENRIDGE, Summit, CO

Built 2013 Load: 25.1 t ADT: 21,000

BUCKLEY ROAD

Good

Over: O'BRIAN CANAL

0.2 MILE N OF 120TH AVE, Adams, CO

Built 1990 Load: 25.2 t ADT: 12,176

JORDAN ROAD

Good

Over: NEWLIN GULCH

0.1 MI S OF LINCOLN AVE., Douglas, CO

Built 1995 Load: 25.2 t ADT: 23,638

I 70 ML EBND

Good

Over: DRY CREEK

2.5 Mi E of RIFLE, Garfield, CO

Built 1975 Load: 25.2 t ADT: 10,500

I 70 ML WBND

Good

Over: DRY CREEK

2.5 MI E of RIFLE, Garfield, CO

Built 1975 Load: 25.2 t ADT: 10,500

I 25 ML

Good

Over: DRAW

8.2 MI NO OF JCT SH 165 M, Pueblo, CO

Built 1932 Load: 25.2 t ADT: 15,000

CANYONSIDE BLVD

Good

Over: LOCAL DRAINAGE

JUST N OF WESTBRIDGE, Douglas, CO

Built 2019 Load: 25.3 t ADT: 2,104

WBND ACADEMY BLVD

Good

Over: RAMP D TO WBND ACADEMY

0.8 MI W OF I-25, El Paso, CO

Built 2012 Load: 25.3 t ADT: 22,809

CO RD 43

Good

Over: TOMICHI CREEK

0.1 MI S of SH 50, Gunnison, CO

Built 2013 Load: 25.3 t ADT: 80

County Road 80

Good

Over: North Poudre Canal

1.1 Mi N of US Hwy 287, Larimer, CO

Built 1990 Load: 25.3 t ADT: 123

26.5 Road

Good

Over: GRAND VALLEY CANAL

JUST N OF RD F.50, Mesa, CO

Built 2010 Load: 25.3 t ADT: 3,572

County Road 4

Good

Over: Antelope Creek

100 Ft. N of Co Rd D, Morgan, CO

Built 1991 Load: 25.3 t ADT: 89

PINON ROAD

Good

Over: FOUNTAIN CREEK

2 MI NE EXIT 110 I-25, Pueblo, CO

Built 2004 Load: 25.3 t ADT: 217

County Road 29

Good

Over: Pierce Lateral Canal

0.7 Mi N of Co Rd 88, Weld, CO

Built 1989 Load: 25.3 t ADT: 1,615

SH 470 ML EBND

Good

Over: YOSEMITE STREET

4.5 M E OF JCT SH 177, Douglas, CO

Built 1984 Load: 25.4 t ADT: 47,500

SH 470 ML WBND

Good

Over: YOSEMITE STREET

.8 MI W OF JCT I 25, Douglas, CO

Built 1984 Load: 25.4 t ADT: 47,500

COUNTY ROAD 5/50

Good

Over: CEBOLLA CREEK

16.2 MI NE OF LAKE CITY, Hinsdale, CO

Built 1987 Load: 25.4 t ADT: 43

SH 224 ML

Good

Over: SOUTH PLATTE RIVER

74TH AVE 1.25 MI W OF 6/8, Adams, CO

Built 1993 Load: 25.5 t ADT: 12,000

SH 114 ML

Good

Over: DRAW

4.8 MI NW OF 285/SAGUACHE, Saguache, CO

Built 1946 Load: 25.5 t ADT: 550

I 25 ML & Ramps

Good

Over: CHANNEL MD-B

LONGMONT/DACONO EXIT, Weld, CO

Built 2000 Load: 25.5 t ADT: 91,000

CO RD 8

Good

Over: DRAW AR

0.2 MI EAST OF I76, Weld, CO

Built 1983 Load: 25.5 t ADT: 1,153

Showing 5,951-6,000 of 8,965 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.