State profile · Below national median SD

Colorado bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Colorado — drawn straight from the FHWA National Bridge Inventory.

8,965
Public bridges
32.0%
Good condition
4.3%
Poor condition
4.3%
Structurally deficient

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 rated 0-4

Structurally Deficient

4.3%

387 bridges flagged for repair priority

-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 — Structurally deficient share 14.4%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — Colorado (FHWA NBI)

Colorado31.95761293920803%54.210819854991634%GoodFairPoorStructurally Deficient
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 on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Colorado on the same metric.

47

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426

24

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527
Selected

08

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

41

Oregon

4.46% top marginal rate
Structure
Progressive
Burden @ $100K
$8,310

39

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 composite NBI rating. Each is inspected at least every 24 months.

County Road 59

Structurally Deficient

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

Structurally Deficient

Over: NORTH CRESTONE CREEK

IN TOWN OF CRESTONE, Saguache, CO

Built 1991 Load: 2.3 t ADT: 65

CO Rd 32

Structurally Deficient

Over: Feeder Ditch

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

Built 1970 Load: 2.7 t ADT: 7

POTOMAC STREET

Structurally Deficient

Over: OBRIAN CANAL

0.2 MILE NORTH OF SH 2, Adams, CO

Built 1940 Load: 3.8 t ADT: 190

88TH AVENUE

Structurally Deficient

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 3

Good

Over: ROCKY FORD HIGHLINE CANA

.2 MI N OF CR JJ, Otero, CO

Built 1993 Load: 28.4 t ADT: 180

US 160 ML

Good

Over: N FK SAND ARROYO

22 MI E OF JCT SH 109, Baca, CO

Built 2013 Load: 28.5 t ADT: 270

I 70 ML WBND

Good

Over: BEARDEN RD

3.6 MI W OF WOLCOTT INTER, Eagle, CO

Built 1971 Load: 28.5 t ADT: 14,500

CITY ST 6TH STREET

Good

Over: QUARTZ CREEK

IN TOWN OF PITKIN, Gunnison, CO

Built 1996 Load: 28.5 t ADT: 58

FSR 380

Good

Over: PARK CREEK

.60 MI ON FSR 380, Mineral, CO

Built 1953 Load: 28.5 t ADT: 106

LINDEN AVENUE

Good

Over: PURGATOIRE RIVER

.1 MI W OF E. ELM ST, Las Animas, CO

Built 1989 Load: 28.6 t ADT: 856

County Road 19

Good

Over: Fort Morgan Canal

0.9 Mi N of Co Rd O, Morgan, CO

Built 1940 Load: 28.6 t ADT: 801

County Road 5

Good

Over: Riverside Canal

1.2 Mi N of Co Rd BB, Morgan, CO

Built 2007 Load: 28.6 t ADT: 189

County Road 29

Good

Over: Pierce Lateral Canal

0.3 Mi N of Co Rd 88, Weld, CO

Built 1990 Load: 28.6 t ADT: 1,615

SH21-SB POWERS BLV

Good

Over: WOODMEN RD

SBND ML, El Paso, CO

Built 2008 Load: 28.7 t ADT: 28,000

SH 21-POWERS NB

Good

Over: WOODMEN RD.

NE COLO. SPRINGS, El Paso, CO

Built 2008 Load: 28.7 t ADT: 28,000

US 40 ML

Good

Over: DRAW

W. SIDE OF DINOSAUR, Moffat, CO

Built 1936 Load: 28.7 t ADT: 1,900

I 76 ML WBND

Good

Over: UP RR AND RTD

3.6 MI E OF I70 + I 76 IN, Adams, CO

Built 1988 Load: 28.8 t ADT: 38,500

CURTICE STREET

Good

Over: LITTLES CREEK

2 BLKS S OF MAIN STREET, Arapahoe, CO

Built 1981 Load: 28.8 t ADT: 993

SH 59 ML

Good

Over: LITTLE SPRING CREEK

16 MI N OF KIT CARSON, Cheyenne, CO

Built 1960 Load: 28.8 t ADT: 380

RAMP TO I 70 EBND

Good

Over: CLEAR CREEK R

3.4 MI E. OF JCT SH 103, Clear Creek, CO

Built 1999 Load: 28.8 t ADT: 23,500

COOK ST

Good

Over: EAST HARVARD GULCH

COOK N OF VASSAR AVE, Denver, CO

Built 1967 Load: 28.8 t ADT: 275

LEV 4 SE TERM RAMP

Good

Over: 84TH AVENUE

SE CORNER TERM BLDG, Denver, CO

Built 2014 Load: 28.8 t ADT: 8,856

LEV 6 SW TERM RAMP

Good

Over: 84TH AVENUE

SW CORNER TERM BLDG, Denver, CO

Built 2014 Load: 28.8 t ADT: 8,129

LEV 4 SW TERM RAMP

Good

Over: 84TH AVENUE

SW CORNER TERM BLDG, Denver, CO

Built 2014 Load: 28.8 t ADT: 6,884

US 50 ML

Good

Over: COTTONWOOD CREEK

20.2 MI SE OF SALIDA, Fremont, CO

Built 1999 Load: 28.8 t ADT: 3,600

Co Rd 311

Good

Over: East Divide Creek

7 Miles S of Silt, Garfield, CO

Built 2014 Load: 28.8 t ADT: 194

SH 14 ML

Good

Over: LARIMER-WELD CANAL

1.1 MI E OF JCT I25, Larimer, CO

Built 1983 Load: 28.8 t ADT: 19,000

Whitcomb/LaPorte

Good

Over: Arthur Ditch

Whitcomb at laPorte, Larimer, CO

Built 2013 Load: 28.8 t ADT: 261

14

Good

Over: WEST FORK PINOS CREEK

10.5 MI SW OF DEL NORTE, Rio Grande, CO

Built 1967 Load: 28.8 t ADT: 74

County Road 30

Good

Over: Dry Sand Creek

0.8 Mi. E. of Co. Rd. 33, Sedgwick, CO

Built 1993 Load: 28.8 t ADT: 29

County Road 102

Good

Over: Robinson Creek

0.25 Mi E of Co Rd 41, Weld, CO

Built 1992 Load: 28.8 t ADT: 24

I 25 ML NBND

Good

Over: WALSEN ARROYO

13.2 MILES N OF AGUILAR, Huerfano, CO

Built 1969 Load: 28.9 t ADT: 5,500

County Rd. 46E

Good

Over: Dry Creek Outfall Channe

Lincoln Av and Timberline, Larimer, CO

Built 1998 Load: 28.9 t ADT: 6,989

County Road 30

Good

Over: Lower Platte Beaver Cnl

0.5 Mi N of Co Rd U, Morgan, CO

Built 1987 Load: 28.9 t ADT: 37

County Road 1

Good

Over: Settlers Ditch

0.4 Mi. N. of US Hwy 138, Sedgwick, CO

Built 1995 Load: 28.9 t ADT: 4

County Road 32

Good

Over: Peterson Ditch

0.2 Mi East of Co. Rd. 23, Sedgwick, CO

Built 1995 Load: 28.9 t ADT: 30

I 25 ML NBND

Good

Over: LITTLE THOMPSON RIVER

6.7 MI N OF JCT SH 66, Weld, CO

Built 2021 Load: 28.9 t ADT: 41,000

SH 348 ML

Good

Over: UNCOMPAHGRE RIVER

IN DELTA, Delta, CO

Built 1972 Load: 29.0 t ADT: 1,300

JEWELL AVENUE

Good

Over: GOLDSMITH GULCH

JEWELL AT MONACO PKWY, Denver, CO

Built 1972 Load: 29.0 t ADT: 2,421

POLAR STAR ROAD

Good

Over: WEST LAKE CREEK

AT W LAKE CREEK ROAD, Eagle, CO

Built 1994 Load: 29.0 t ADT: 249

I 70 (EDWARDS SPUR

Good

Over: UP RR

AT EDWARDS, Eagle, CO

Built 1970 Load: 29.0 t ADT: 15,000

US 24 ML

Good

Over: DRAW

5.1 MI NE OF FALCON, El Paso, CO

Built 1995 Load: 29.0 t ADT: 11,000

I 70 ML EBND

Good

Over: PARACHUTE CREEK

1/2 MI W OF PARACHUTE INT, Garfield, CO

Built 1982 Load: 29.0 t ADT: 9,000

County Road 19

Good

Over: Boxelder Creek

1.2 Mi N of Co Rd 80, Larimer, CO

Built 1992 Load: 29.0 t ADT: 81

I 70 ML WBND

Good

Over: GRAND VALLEY CANAL

2.2 MI W OF HORIZON DRIVE, Mesa, CO

Built 1965 Load: 29.0 t ADT: 11,500

I 70 ML WBND

Good

Over: HORIZON DRIVE

E. EXIT OF GRAND JCT., Mesa, CO

Built 1965 Load: 29.0 t ADT: 11,500

SH 330 ML

Good

Over: PLATEAU CREEK

1.8 MI N OF JCT SH 65, Mesa, CO

Built 1975 Load: 29.0 t ADT: 1,300

SH 65 ML

Good

Over: PLATEAU CREEK

10 MI S OF JCT I 70, Mesa, CO

Built 1973 Load: 29.0 t ADT: 2,600

I 76 ML WBND

Good

Over: KIOWA CREEK

1.8 MI SW OF JCT SH 39, Morgan, CO

Built 1993 Load: 29.0 t ADT: 6,500

I 76 ML EBND

Good

Over: KIOWA CREEK

0.3 MI NE OF JCT US 6, Morgan, CO

Built 1993 Load: 29.0 t ADT: 6,500

SH 145 ML

Good

Over: LEOPARD CREEK

JCT SH 62 - PLACERVILLE, San Miguel, CO

Built 2013 Load: 29.0 t ADT: 4,700

QUENTIN ST

Good

Over: LOCAL DRAINAGE

JUST N OF BARANMOOR PKWY, Adams, CO

Built 2016 Load: 29.1 t ADT: 332

I 76 ML EBND

Good

Over: TENNYSON STREET

0.54 MI E OF JCT SH 95, Adams, CO

Built 1986 Load: 29.1 t ADT: 39,500

RAMP/PENA BLVD NBD

Good

Over: 40TH AVE ML R

PENA BLVD OVER 40TH AVE, Adams, CO

Built 1993 Load: 29.1 t ADT: 33,000

Showing 6,151-6,200 of 8,965 bridges

Related

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Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.

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.