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

COUNTY ROAD 1600

Good

Over: UNCOMPAHGRE RIVER

1.1 MI N OF D25 ROAD, Delta, CO

Built 1986 Load: 52.9 t ADT: 1,427

WAGEMAN DRIVE

Good

Over: FOUNTAIN MUTUAL DITCH

JUST N OF BRADLEY ROAD, El Paso, CO

Built 2001 Load: 52.9 t ADT: 1,034

COUNTY ROAD V24

Good

Over: TABEGUACHE CREEK

.9 MI NE OF CR Z26, Montrose, CO

Built 1991 Load: 52.9 t ADT: 14

COUNTY ROAD 710

Good

Over: ROCKY FORD CANAL

.64 MI N OF SH 50, Pueblo, CO

Built 1998 Load: 52.9 t ADT: 11

CITY ST - MAPLE

Good

Over: SAN MIGUEL RIVER

50 FT S of SH145, San Miguel, CO

Built 2001 Load: 52.9 t ADT: 685

County Road 23

Good

Over: Pierce Lateral Canal

0.7 Mi N of St Hwy 14, Weld, CO

Built 1989 Load: 53.0 t ADT: 55

E-470 RAMP G

Good

Over: Relocated Third Creek

35.46 MI FROM I25, Adams, CO

Built 2001 Load: 53.1 t ADT: 2,700

GOLDEN LANE

Good

Over: FOUNTAIN CREEK

JUST WEST OF COLORADO AVE, El Paso, CO

Built 2018 Load: 53.1 t ADT: 209

County Road 56

Good

Over: Larimer County Canal

50 Ft E of Co Rd 21C, Larimer, CO

Built 1989 Load: 53.1 t ADT: 642

COUNTY ROAD D

Good

Over: NO THOROUGHFARE CANYON

JUST S OF MONUMENT ROAD, Mesa, CO

Built 2010 Load: 53.1 t ADT: 1,991

Lowell Street

Good

Over: Local Drainage

.2 Mi N of 136th Avenue, Broomfield, CO

Built 1998 Load: 53.2 t ADT: 12,221

WOODWARD AVENUE

Good

Over: CLEAR CREEK

JUST S OF MAIN STREET, Clear Creek, CO

Built 1999 Load: 53.2 t ADT: 547

UNION AVENUE

Good

Over: LAKE ELIZABETH

River Walk in Pueblo, Pueblo, CO

Built 1998 Load: 53.2 t ADT: 5,863

SH 30 ML/HAVANA ST

Good

Over: CHERRY CREEK

@ DARTMOUTH IN DENVER, Denver, CO

Built 2010 Load: 53.3 t ADT: 26,000

MONUMENT ROAD

Good

Over: REDLANDS POWER CANAL

MONUMENT ROAD AND D ROAD, Mesa, CO

Built 2009 Load: 53.4 t ADT: 5,001

S. Taft Hill Road

Good

Over: Mercer Ditch

At LaPorte Ave., Larimer, CO

Built 2004 Load: 53.6 t ADT: 11,742

Summit Trail

Good

Over: Colorado River

1.7 Mi N of HWY 34, Grand, CO

Built 2007 Load: 53.7 t ADT: 115

JONES ROAD

Good

Over: WEST CHERRY CREEK

.3 MI WEST OF SH83, Douglas, CO

Built 1992 Load: 53.8 t ADT: 69

Whitcomb Street

Good

Over: Arthur Ditch

Inter Whitcomb/magnolia, Larimer, CO

Built 2010 Load: 53.8 t ADT: 382

County Road 19

Good

Over: Cache La Poudre River

1.1 Mi N of Co Rd 48, Larimer, CO

Built 2003 Load: 53.8 t ADT: 5,617

County Road 21

Good

Over: Catlin Canal

0.2 Mi S of CR DD, Otero, CO

Built 2020 Load: 53.8 t ADT: 306

COUNTY ROAD 26

Good

Over: CADDOA CREEK

1.3 MI S OF CR GG, Bent, CO

Built 1996 Load: 53.9 t ADT: 38

MAINSTREET

Good

Over: NEWLIN GULCH

JUST E OF CHAMBERS RD, Douglas, CO

Built 2007 Load: 53.9 t ADT: 20,779

US 36 ML

Good

Over: ST VRAIN CREEK

IN LYONS, Boulder, CO

Built 2000 Load: 54.0 t ADT: 8,200

MAIN STREET

Good

Over: DRGWRR,ATSFRW,ARKANSAS R

0.1 MI S OF C STREET, Pueblo, CO

Built 1995 Load: 54.0 t ADT: 5,732

COUNTY ROAD 38

Good

Over: FORK OF SMOKY HILL RIVER

.3 MI N OF CR Z, Cheyenne, CO

Built 1996 Load: 54.1 t ADT: 3

STEELE AVENUE

Good

Over: EAST CHERRY CREEK

0.8 MI E. OF CHERRY CK RD, Douglas, CO

Built 1990 Load: 54.1 t ADT: 471

US 40 ML

Good

Over: Corral Creek

11.09 MI E OF JCT SH 9, Grand, CO

Built 2002 Load: 54.1 t ADT: 2,300

SH 71 ML

Good

Over: DRAW

4.3 MI N OF JCT SH 96-E, Crowley, CO

Built 1993 Load: 54.2 t ADT: 570

MEADOWS BLVD

Good

Over: EAST PLUM CREEK TRIBUTAR

0.2 MI W OF COACHLINE ROA, Douglas, CO

Built 1987 Load: 54.2 t ADT: 8,602

County Road 15.5

Good

Over: N. Sterling Inlet Canal

0.3 Mi N. of Co. Line, Logan, CO

Built 1999 Load: 54.2 t ADT: 21

Platte Street

Good

Over: Sterling Ditch No. 1

.2 Mi E. of Co Rd 37, Logan, CO

Built 2003 Load: 54.2 t ADT: 1,027

COUNTY ROAD 248

Good

Over: GREENHORN CREEK

1.4 MI W OF RYE, Pueblo, CO

Built 1994 Load: 54.2 t ADT: 38

AKRON STREET

Good

Over: TODD CREEK TRIBUTARY

0.1 MI SOUTH OF 152ND AVE, Adams, CO

Built 2001 Load: 54.4 t ADT: 52

COUNTY ROAD 53

Good

Over: SMOKY HILL RIVER

1.1 MI N OF CR U, Cheyenne, CO

Built 1997 Load: 54.4 t ADT: 38

SH 121 ML

Good

Over: MCINTIRE GULCH

.2 MI. N. OF 6TH AVE., Jefferson, CO

Built 2018 Load: 54.4 t ADT: 47,000

I 25 ML NBND

Good

Over: MONUMENT CREEK BRANCH

4.6 MI N OF JCT SH 83 ML, El Paso, CO

Built 1953 Load: 54.5 t ADT: 46,000

Bein Street

Good

Over: Trib. to Dry Creek

30 Ft. S of Welch Ave., Larimer, CO

Built 1999 Load: 54.6 t ADT: 347

Souix Drive

Good

Over: Trib. to Dry Creek

30 Ft. S of Welch Ave, Larimer, CO

Built 1999 Load: 54.6 t ADT: 425

COUNTY ROAD D

Good

Over: WHITE WOMAN CREEK

7.0 MI E OF SH 385, Cheyenne, CO

Built 1994 Load: 54.8 t ADT: 16

ALVARADO RD

Good

Over: CLEAR CREEK

WEST OF LAWSON, Clear Creek, CO

Built 2010 Load: 54.8 t ADT: 452

US 85 ML SBND

Good

Over: SOUTH PLATTE RIVER

IN DENVER ON SO SANTA FE, Denver, CO

Built 2015 Load: 54.8 t ADT: 40,000

US 50 + SH 789 NB

Good

Over: COLORADO RIVER

GRAND JUNCTION MP 32.42, Mesa, CO

Built 1989 Load: 54.8 t ADT: 13,500

SH 101 ML

Good

Over: DRAW

19 MI SO OF JCT SH 50, Bent, CO

Built 2020 Load: 55.1 t ADT: 70

South Sunset St.

Good

Over: Left Hand Creek

200 ft N of Creekside Dr, Boulder, CO

Built 2000 Load: 55.1 t ADT: 1,274

US 40 ML

Good

Over: DRAW

0.6 MI E OF WILDHORSE, Cheyenne, CO

Built 1988 Load: 55.1 t ADT: 3,800

47TH AVE

Good

Over: SAND CREEK

AT SAND CREEK DR, Denver, CO

Built 2010 Load: 55.1 t ADT: 4,909

SH 12 ML

Good

Over: CUCHARAS RIVER

8 MILES SOUTH OF LA VETA, Huerfano, CO

Built 2012 Load: 55.1 t ADT: 1,600

SH 392 ML

Good

Over: DRAW

1400 ft.W.of C-17-FK, Larimer, CO

Built 2015 Load: 55.1 t ADT: 15,000

County Road 38E

Good

Over: Redstone Creek

0.1 MI N. OF CO RD 25E, Larimer, CO

Built 2007 Load: 55.1 t ADT: 1,824

Showing 8,151-8,200 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.