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

Weld Co Rd 7

Good

Over: Little Thompson River

0.5 Mi N of Co Rd 42, Weld, CO

Built 1990 Load: 46.3 t ADT: 1,818

I 25 ML SBND

Good

Over: LITTLE THOMPSON RIVER

0.4 MI SO OF JCT SH 56, Weld, CO

Built 2020 Load: 46.3 t ADT: 41,000

CHERRY STREET

Good

Over: CHERRY CREEK

JUST S OF EXPOSITION AVE, Arapahoe, CO

Built 2000 Load: 46.4 t ADT: 16,097

SH 157 SBND

Good

Over: FOUR MILE CANYON CREEK

.25 MI S OF SH119 INTSN, Boulder, CO

Built 1988 Load: 46.4 t ADT: 20,500

COUNTY ROAD 54

Good

Over: SMOKY HILL RIVER

.9 MI N OF CR U, Cheyenne, CO

Built 1995 Load: 46.4 t ADT: 14

WEST POLK STREET

Good

Over: MONUMENT CREEK

0.5 MI W OF CASCADE AVE, El Paso, CO

Built 1986 Load: 46.4 t ADT: 948

County Road 17

Good

Over: Larimer and Weld Canal

1.0 Mi N of Co Rd 48, Larimer, CO

Built 2005 Load: 46.4 t ADT: 8,985

COUNTY ROAD 47.7

Good

Over: PURGATOIRE RIVER

0.1 MI S OF SH 12, Las Animas, CO

Built 2009 Load: 46.4 t ADT: 166

County Road 39

Good

Over: Sterling No 1 Ditch

0.8 Mi N of Co Rd 30, Logan, CO

Built 1988 Load: 46.4 t ADT: 1,662

COUNTY ROAD 192

Good

Over: GREENHORN CREEK

5.3 MI E OF RYE, Pueblo, CO

Built 1995 Load: 46.4 t ADT: 241

US 24 ML

Good

Over: DRAW

1.0 MI E OF SIMLA, Elbert, CO

Built 1985 Load: 46.5 t ADT: 3,200

COUNTY ROAD 2200

Good

Over: GUNNISON RIVER

.3 MI S OF SH 92, Delta, CO

Built 1998 Load: 46.6 t ADT: 1,013

County Road 66

Good

Over: Harmony No. 1 Canal

0.2 Mi E of Co Rd 89, Logan, CO

Built 1991 Load: 46.6 t ADT: 23

COUNTY ROAD DS

Good

Over: LITTLE DOLORES RIVER

JUST E OF MILE MARKER 11, Mesa, CO

Built 2013 Load: 46.6 t ADT: 141

County Road 57

Good

Over: Prewitt Canal Lateral

50 Ft. E. of Co. Rd. N, Washington, CO

Built 2002 Load: 46.6 t ADT: 29

County Road 6W

Good

Over: North Platte River

2.1 MI W of St Hwy 125, Jackson, CO

Built 2003 Load: 46.7 t ADT: 172

County Road 27

Good

Over: Buckhorn Creek

9.6 Mi NW of Co Rd 38E, Larimer, CO

Built 2014 Load: 46.7 t ADT: 569

County Road 35.5

Good

Over: N. Fork Republican River

0.30 Mi E of Co Rd PP, Yuma, CO

Built 1992 Load: 46.7 t ADT: 66

County Road 26

Good

Over: Left Hand Creek

0.6 Mi W of Co Rd 33, Boulder, CO

Built 1991 Load: 46.8 t ADT: 121

SH 149 ML

Good

Over: RIO GRANDE

7 MI SW OF CREEDE, Mineral, CO

Built 1982 Load: 46.9 t ADT: 1,100

RAMP TO N GATE

Good

Over: NB SH 21 RAMP

SH21 AND I25 INT, El Paso, CO

Built 2021 Load: 47.0 t ADT: 1,200

I 70 ML EBND

Good

Over: COLORADO RIVER

9.2 MI E OF GLENWD SPGS, Garfield, CO

Built 1987 Load: 47.0 t ADT: 8,500

TWO CREEKS DRIVE

Good

Over: SKI RUN

JUST W OF SERVICE BERRY L, Pitkin, CO

Built 1997 Load: 47.0 t ADT: 251

County Road 44

Good

Over: Western Mutual Ditch

0.7 Mi E of US Hwy 85, Weld, CO

Built 2020 Load: 47.0 t ADT: 1,375

US 287 ML

Good

Over: LITTLE THOMPSON RIVER

5.1 MI N OF JCT SH 66, Larimer, CO

Built 1999 Load: 47.1 t ADT: 18,000

FALL RIVER ROAD

Good

Over: CLEAR CREEK

2.3 MI W of IDAHO SPRINGS, Clear Creek, CO

Built 2020 Load: 47.3 t ADT: 72

SH121 ML-WADSWORTH

Good

Over: BEAR CREEK

.8 MI. N. OF 285, Jefferson, CO

Built 2012 Load: 47.3 t ADT: 37,000

NORTH BRIDGE RD

Good

Over: VALLECITO CREEK

1.8 MI N VALLECITO LAKE, La Plata, CO

Built 1971 Load: 47.3 t ADT: 40

COUNTY RD 91

Good

Over: BIJOU CANAL

0.5 Mi S of US Hwy 34, Weld, CO

Built 2020 Load: 47.3 t ADT: 90

E-470 NB

Good

Over: Ramp E

20.88 MI FROM I25, Adams, CO

Built 2006 Load: 47.4 t ADT: 18,092

US 40 ML

Good

Over: DRAW

DUE W OF WILDHORSE, Cheyenne, CO

Built 1933 Load: 47.4 t ADT: 3,300

I 70 ML WBND

Good

Over: WAGON GULCH

1.0 MI SW OF SHOSONE DAM, Garfield, CO

Built 1988 Load: 47.4 t ADT: 8,500

SH 394 ML

Good

Over: YAMPA RIVER

1 M SO OF CRAIG, Moffat, CO

Built 1985 Load: 47.4 t ADT: 3,100

County Road 3-R

Good

Over: TRIB. ST. CHARLES RIVER

8.2 MI ESE OF BEULAH, Pueblo, CO

Built 1988 Load: 47.5 t ADT: 169

SH 257 ML

Good

Over: LARIMER COUNTY CANAL

3.5 MI N. OF SH392/WINDSO, Weld, CO

Built 1984 Load: 47.5 t ADT: 5,100

BISCAY STREET

Good

Over: Local Drainage

JUST N OF 104TH AVENUE, Adams, CO

Built 2008 Load: 47.6 t ADT: 10

Logan Mill Road

Good

Over: Four Mile Creek

20 ft W of Four Mi Cny Dr, Boulder, CO

Built 2019 Load: 47.6 t ADT: 238

Dillon Road

Good

Over: Rock Creek

0.3 Mi W of Hwy 287, Boulder, CO

Built 2019 Load: 47.6 t ADT: 451

SH 86 ML

Good

Over: Mitchell Gulch

1 MI W OF FRANKTOWN, Douglas, CO

Built 2002 Load: 47.6 t ADT: 10,000

RAMP TO UNION

Good

Over: TEMPLETON GAP FLOODWAY

AUSTIN BLUFFS PKWY/UNION, El Paso, CO

Built 2009 Load: 47.6 t ADT: 6,359

SB I25 ML

Good

Over: NB SH 21 RAMP

SH21 AND I25 INT, El Paso, CO

Built 2021 Load: 47.6 t ADT: 66,000

SH 120 ML

Good

Over: HARDSCRABBLE CREEK

2.8 MI E JCT SH 115, Fremont, CO

Built 2009 Load: 47.6 t ADT: 800

TINCUP ROAD 765

Good

Over: WILLOW CREEK

25.5 MI NE OF ALMONT, CO, Gunnison, CO

Built 2020 Load: 47.6 t ADT: 363

SH 14 ML

Good

Over: CACHE LA POUDRE RIVER

1 MI E OF JCT 287, Larimer, CO

Built 2015 Load: 47.6 t ADT: 26,000

Centerra Parkway

Good

Over: Greeley Loveland Canal

0.1 Mi N of US Hwy 34, Larimer, CO

Built 2005 Load: 47.6 t ADT: 13,787

COUNTY ROAD 57

Good

Over: BIG CREEK

.7 MI N OF CR KE, Mesa, CO

Built 1988 Load: 47.6 t ADT: 218

CR 25/25TH LANE

Good

Over: BOOTH CANAL

300 FT S of US50, Pueblo, CO

Built 1999 Load: 47.6 t ADT: 76

County Road 47

Good

Over: New Cache La Poudre Cana

0.7 Mi N of SH 392, Weld, CO

Built 2001 Load: 47.6 t ADT: 760

E-470 SB

Good

Over: Ramp E

20.88 MI FROM I25, Adams, CO

Built 2006 Load: 47.7 t ADT: 17,985

E-470 NB

Good

Over: Colfax Avenue

20.32 MI FROM I25, Arapahoe, CO

Built 2006 Load: 47.8 t ADT: 18,465

Showing 7,951-8,000 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.