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 FF

Good

Over: MONTE VISTA CANAL

.7 MI W OF SH 368, Conejos, CO

Built 1990 Load: 36.8 t ADT: 118

Co Rd 20(W 1st St)

Good

Over: Big Thompson River

0.5 Mi E of Taft Avenue, Larimer, CO

Built 2001 Load: 36.8 t ADT: 4,384

I 76 ML WBND

Good

Over: BNSF RR

38.3 MI SE OF JCT SH 59, Logan, CO

Built 1966 Load: 36.8 t ADT: 4,150

US 285 ML

Good

Over: RIO GRANDE

N.EDGE OF MONTE VISTA, Rio Grande, CO

Built 1971 Load: 36.8 t ADT: 4,500

County Road 76

Good

Over: Elkhead Creek

5.4 Mi N of US Hwy 40, Routt, CO

Built 1999 Load: 36.8 t ADT: 31

US 40 ML

Good

Over: YAMPA RIVER

5.0 MI EAST OF HAYDEN, Routt, CO

Built 1989 Load: 36.8 t ADT: 5,100

152ND AVENUE

Good

Over: HOFFMAN CREEK

0.7 MI E OF PROSPECT WAY, Adams, CO

Built 1995 Load: 36.9 t ADT: 15

I 76 ML EBND

Good

Over: LOWELL BLVD

1.04 MI E OF JCT SH 95, Adams, CO

Built 1986 Load: 36.9 t ADT: 39,500

I 76 ML WBND

Good

Over: LOWELL BLVD

1.06 MI E OF JCT SH95, Adams, CO

Built 1986 Load: 36.9 t ADT: 39,500

RAMP TO PECOS ST

Good

Over: BNSF RR, RTD Light Rail

.2 MI W OF PECOS STREET, Adams, CO

Built 1989 Load: 36.9 t ADT: 77,000

N 49th St (Cr 51)

Good

Over: Left Hand Creek

0.5 Mi N of Co Rd 34, Boulder, CO

Built 1993 Load: 36.9 t ADT: 191

TWO RIVERS RD

Good

Over: FRYINGPAN RIVER

0.1 MI. SW OF MIDLAND AVE, Eagle, CO

Built 2006 Load: 36.9 t ADT: 3,101

ACADEMY BLVD

Good

Over: COTTONWOOD CREEK

0.2 MI. S. OF WOODMEN RD, El Paso, CO

Built 2018 Load: 36.9 t ADT: 22,514

FAIRPLAY ROAD

Good

Over: BIG SANDY CREEK

0.6 MI N of SWEET ROAD, El Paso, CO

Built 1994 Load: 36.9 t ADT: 169

US 40 ML

Good

Over: UP RR

E OF HOT SULPHUR SPRINGS, Grand, CO

Built 1987 Load: 36.9 t ADT: 3,400

COUNTY ROAD 21

Good

Over: INDP RANCHMENS DITCH

0.4 MI N of HWY 6, Mesa, CO

Built 2016 Load: 36.9 t ADT: 1,229

County Road 23

Good

Over: Larimer and Weld Canal

At Inter with Co Rd 76, Weld, CO

Built 1995 Load: 36.9 t ADT: 2,412

County Road 70

Good

Over: Lone Tree Creek

0.45 Mi E of Co Rd 43, Weld, CO

Built 1983 Load: 36.9 t ADT: 333

160TH AVENUE

Good

Over: LOCAL DRAINAGE

0.3 MI E OF MANILA RD, Adams, CO

Built 1993 Load: 37.0 t ADT: 81

SABLE BLVD

Good

Over: SAND CREEK

JUST NORTH OF 28TH AVE, Adams, CO

Built 1975 Load: 37.0 t ADT: 9,902

SH 53 SERVICE RD.

Good

Over: 64TH ST DRAIN CANAL AR

JUST W OF 64TH/ BRDWY, Adams, CO

Built 1993 Load: 37.0 t ADT: 5,000

DEPEW STREET

Good

Over: LOCAL DRAINAGE

.1 MILE SO OF CANYON DR, Jefferson, CO

Built 1981 Load: 37.0 t ADT: 708

SH 71 ML

Good

Over: OTERO CANAL

0.4 MI NO OF JCT SH 10, Otero, CO

Built 1971 Load: 37.0 t ADT: 460

County Road MM

Good

Over: Sand Creek

1.55 Mi N of Co Rd 7, Yuma, CO

Built 1996 Load: 37.0 t ADT: 53

Broadlands Drive

Good

Over: Local Drainage

0.3 Mi N of 136th Ave, Broomfield, CO

Built 1997 Load: 37.1 t ADT: 1,465

STROH ROAD

Good

Over: CHERRY CREEK

0.3 MI WEST OF HWY 83, Douglas, CO

Built 1987 Load: 37.1 t ADT: 5,189

BLACK FOREST ROAD

Good

Over: WEST FORK CHERRY CREEK

.9 MI N OF HODGEN ROAD, El Paso, CO

Built 1994 Load: 37.1 t ADT: 1,248

I 70 FRONTAGE RD

Good

Over: DRY CREEK SR

2.5 MI OF RIFLE, Garfield, CO

Built 1975 Load: 37.1 t ADT: 372

I 70 ML WBND

Good

Over: BLM ACCESS ROAD

8 MI W. OF PARACHUTE, Garfield, CO

Built 1982 Load: 37.1 t ADT: 9,000

SH 109 ML

Good

Over: MUDDY CREEK

31 MI SOUTH OF LA JUNTA, Las Animas, CO

Built 1974 Load: 37.1 t ADT: 350

County Road 37

Good

Over: Cedar Creek

0.7 Mi S of Co Rd 46, Logan, CO

Built 1987 Load: 37.1 t ADT: 434

RAMP TO I 25 NBND

Good

Over: CLEAR CREEK R

.2 MI N 76; .1 MI E I-25, Adams, CO

Built 1992 Load: 37.2 t ADT: 121,000

SH 133 ML

Good

Over: UP RR

3.5 MI. NE. OF PAONIA, Delta, CO

Built 1991 Load: 37.2 t ADT: 1,500

NFSR 350

Good

Over: TROUT CREEK

0.1 MI E OF SH 67, Douglas, CO

Built 1992 Load: 37.2 t ADT: 123

RAMP EB PROBY PKWY

Good

Over: RAMP TO SB ACADEMY

COLORADO SPRINGS, El Paso, CO

Built 2012 Load: 37.2 t ADT: 866

CO RD 12

Good

Over: RUBY ANTHRACITE CREEK

2 MI S of SH 133, Gunnison, CO

Built 1993 Load: 37.2 t ADT: 370

COUNTY ROAD 122

Good

Over: SOUTH TURKEY CREEK

3.8 MI SOUTH OF TINYTOWN, Jefferson, CO

Built 1999 Load: 37.2 t ADT: 931

IRR# COUNTY RD 119

Good

Over: LA PLATA RIVER & CANAL

1.6 MI W OF SH 140, La Plata, CO

Built 1990 Load: 37.2 t ADT: 202

COUNTY ROAD 43.5

Good

Over: COON HOLLOW WASH

2.5 MI SW ON CR 44, Mesa, CO

Built 1996 Load: 37.2 t ADT: 16

County Road 2

Good

Over: Weldon Valley Ditch

0.8 Mi North of Co Rd X, Morgan, CO

Built 1997 Load: 37.2 t ADT: 56

COUNTY ROAD 337A

Good

Over: RIO BLANCO RIVER

0.1 MI S. of SH84, Archuleta, CO

Built 2015 Load: 37.3 t ADT: 196

LORRAINE ROAD

Good

Over: WEST CHERRY CREEK

0.3 MI W OF HIGHWAY 83, Douglas, CO

Built 1992 Load: 37.3 t ADT: 103

FOUNTAIN CREEK

Good

Over: COLORADO AVENUE

W OF S. COLUMBIA RD., El Paso, CO

Built 2019 Load: 37.3 t ADT: 12,015

US 40 ML

Good

Over: AGATE CREEK

.4 MI W. OF AGATE, Elbert, CO

Built 2022 Load: 37.3 t ADT: 120

COUNTY ROAD 2

Good

Over: ROCKY FORD HIGHLINE CANA

3.4 MI SSW OF FOWLER, Otero, CO

Built 1996 Load: 37.3 t ADT: 213

COUNTY ROAD EE.25

Good

Over: ROCKY FORD CANAL

0.9 MI SE of Rocky Ford, Otero, CO

Built 1995 Load: 37.3 t ADT: 785

US 36 ML

Good

Over: WEST BIJOU CREEK

1 MI W OF BYERS, Arapahoe, CO

Built 1996 Load: 37.4 t ADT: 3,400

County Road 103

Good

Over: Middle St. Vrain Creek

200 Ft S of Raymond Store, Boulder, CO

Built 1993 Load: 37.4 t ADT: 112

SH 96 ML

Good

Over: QUERIDA GULCH

7 MI EAST OF JCT SH 69, Custer, CO

Built 1978 Load: 37.4 t ADT: 1,800

US 550 ML

Good

Over: DEXTER CREEK

3.5 MI N. OF JCT SH 361 M, Ouray, CO

Built 1988 Load: 37.4 t ADT: 4,700

Showing 7,301-7,350 of 8,965 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
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.