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 191

Poor

Over: ARKANSAS RIVER

.3 MI E of SH 291, Chaffee, CO

Built 1908 Load: 7.3 t

COUNTY ROAD G

Poor

Over: RIO GRANDE RIVER

14 MI E OF SH 285, Conejos, CO

Built 1892 Load: 7.3 t ADT: 37

COUNTY ROAD 749

Poor

Over: EAST RIVER DIVER. CANAL

.4 MI W OF SH 135, Gunnison, CO

Built 1950 Load: 7.3 t ADT: 16

COUNTY RD 22.0

Poor

Over: SAN FRANCISCO CREEK

.1 MI E OF CR 101.8, Las Animas, CO

Built 1930 Load: 7.3 t ADT: 8

COUNTY RD 79.0

Poor

Over: FEEDER DITCH

.2 MI S OF CR 38, Las Animas, CO

Built 1945 Load: 7.3 t ADT: 47

CONVERSE ROAD

Poor

Over: LOST CREEK TRIBUTARY

0.2 MI S OF 88TH AVE, Adams, CO

Built 1960 Load: 7.6 t ADT: 118

COUNTY ROAD 24

Poor

Over: ARKANSAS RIVER

18 MI W LAMAR CO., Bent, CO

Built 1948 Load: 7.9 t ADT: 173

COUNTY RD 105.5

Poor

Over: THOMPSON CREEK

1.1 MI SE OF CR 12.5, Las Animas, CO

Built 1930 Load: 7.9 t ADT: 13

CO RD 7

Poor

Over: OHIO CREEK

9.5 MI NW OF GUNNISON, Gunnison, CO

Built 1942 Load: 8.1 t ADT: 45

COUNTY ROAD M

Poor

Over: CONEJOS RIVER

.3 MI NE OF CR 19, Conejos, CO

Built 1987 Load: 8.3 t ADT: 118

County Road 91

Poor

Over: Trib.N.Fork Frenchman Ck

0.8 Mi N of Co Rd 22, Logan, CO

Built 1940 Load: 8.7 t ADT: 65

County Road 26

Poor

Over: N. Sterling Inlet Canal

0.1 Mi East of Co Rd 29, Logan, CO

Built 1940 Load: 9.0 t ADT: 73

COUNTY ROAD HH.5

Poor

Over: ROCKY FORD HIGHLINE CANA

.3 MI E OF CR 4, Otero, CO

Built 1970 Load: 9.1 t ADT: 49

CO RD 10

Poor

Over: GUNNISON RIVER

5.5 MI NE OF GUNNISON, Gunnison, CO

Built 1973 Load: 9.2 t ADT: 211

COUNTY ROAD 16

Poor

Over: RIO SAN ANTONIO

1.1 MI S OF CR G, Conejos, CO

Built 1976 Load: 9.4 t ADT: 59

COUNTY ROAD 28

Poor

Over: CONEJOS RIVER

1.5 MI N OF CRX, Conejos, CO

Built 1947 Load: 9.5 t ADT: 68

I 70 ML EBND

Poor

Over: POLK CREEK

3.8 MI WEST OF EAGLE-SUMM, Eagle, CO

Built 1978 Load: 9.7 t ADT: 10,000

COUNTY ROAD G

Poor

Over: BOB CREEK

.2 MI E OF RD 12, Crowley, CO

Built 1977 Load: 9.9 t ADT: 124

WINDERMERE ST

Poor

Over: HIGHLINE CANAL

0.93 MI S OF RIDGE RD, Arapahoe, CO

Built 1964 Load: 10.0 t ADT: 299

County Road 27

Poor

Over: Illinois River

0.6 Mi N of St Hwy 125, Jackson, CO

Built 1980 Load: 10.2 t ADT: 108

COUNTY ROAD 36

Poor

Over: FORT LYON STORAGE CANAL

4 MI NW OF TIMBER LANE RD, Otero, CO

Built 1960 Load: 10.3 t ADT: 10

COUNTY RD 22.0

Poor

Over: SAN ISIDRO CREEK

1 MI W OF CR 107.7, Las Animas, CO

Built 1967 Load: 10.4 t ADT: 10

COUNTY ROAD 397

Poor

Over: ARKANSAS RIVER

AT GRANITE, Chaffee, CO

Built 1911 Load: 10.5 t ADT: 85

COUNTY RD 185.0

Poor

Over: WEST CARRIZO CREEK

5 MI S OF SH 160, Las Animas, CO

Built 1939 Load: 10.9 t ADT: 17

County Road 52

Poor

Over: N. Sterling Outlet Canal

1.8 Mi E of Co Rd 45, Logan, CO

Built 1985 Load: 11.1 t ADT: 33

CR 120/PORTLAND RD

Poor

Over: BEAVER CREEK

3.5 MI E OF PORTLAND, Fremont, CO

Built 1923 Load: 11.6 t ADT: 35

JUNIPER VILLAGE DR

Poor

Over: SAN MIGUEL RIVER

.5 MI S OF SH 145, San Miguel, CO

Built 1930 Load: 11.6 t ADT: 166

COUNTY ROAD H

Poor

Over: MANCOS RIVER

2.5 MI SW OF MANCOS, Montezuma, CO

Built 1965 Load: 11.8 t ADT: 188

SH 96 ML

Poor

Over: BOB CREEK CANAL

BOONE, Pueblo, CO

Built 1929 Load: 11.8 t ADT: 1,400

56TH AVENUE

Poor

Over: COMANCHE CREEK

0.3 MI E OF STRASBURG RD, Adams, CO

Built 1975 Load: 12.1 t ADT: 80

US 6 ML

Poor

Over: ELK CREEK

IN NEW CASTLE, Garfield, CO

Built 1933 Load: 12.2 t ADT: 2,200

US 24 ML

Poor

Over: DRAW

0.1 MI W of 71N, Lincoln, CO

Built 1934 Load: 12.3 t ADT: 5,200

IRR# COUNTY RD 122

Poor

Over: LA PLATA RIVER

1.4 MI N SH 140, La Plata, CO

Built 1930 Load: 12.4 t ADT: 92

WATER STREET

Poor

Over: EAGLE RIVER/RR

0.1 MI W OF HIGHWAY 24, Eagle, CO

Built 1934 Load: 12.6 t ADT: 231

I 70 FRONTAGE RD

Poor

Over: CLEAR CREEK SR

4.7 MI E OF JCT SH 103, Clear Creek, CO

Built 1936 Load: 12.8 t ADT: 47,000

COUNTY RD 105.5

Poor

Over: GURULE ARROYO

4 MI SE OF CR 12.5, Las Animas, CO

Built 1945 Load: 12.8 t ADT: 14

STRASBURG ROAD

Poor

Over: KIOWA CREEK

0.6 MI S OF ROAD 144, Adams, CO

Built 1960 Load: 13.1 t ADT: 299

COUNTY ROAD 162

Poor

Over: CHALK CREEK

AT ST. ELMO/60 FT S CR267, Chaffee, CO

Built 1953 Load: 13.4 t ADT: 102

COUNTY RD 57.7

Poor

Over: REILLY CANYON CREEK

1.0 MI N OF SH 12, Las Animas, CO

Built 1926 Load: 13.4 t ADT: 592

COUNTY ROAD HH.5

Poor

Over: APISHAPA RIVER

.2 MI E OF CR 5, Otero, CO

Built 1918 Load: 13.6 t ADT: 22

COUNTY ROAD 395

Poor

Over: HARDSCRABBLE CREEK

.2 MI NE OF SH 96, Custer, CO

Built 1935 Load: 14.0 t ADT: 22

COUNTY RD 105.5

Poor

Over: TRIB. SAN FRANCISCO CRK

1 MI W OF CR 12.5, Las Animas, CO

Built 1960 Load: 14.0 t ADT: 25

UNION AVENUE

Poor

Over: UPRR, BNSF, AR

IN CITY OF PUEBLO, Pueblo, CO

Built 1925 Load: 14.2 t ADT: 6,216

COUNTY ROAD 7

Poor

Over: FT. LYON CANAL

.3 MI N OF CR UU, Prowers, CO

Built 1979 Load: 14.3 t ADT: 28

COUNTY ROAD N

Poor

Over: ALKALI CANYON

1.5 MI W OF SH 491, Montezuma, CO

Built 1970 Load: 14.5 t ADT: 250

FARM ACCESS TO 550

Poor

Over: COW CREEK AR

7.5 MI NO.OF JCT SH 62 ML, Ouray, CO

Built 1938 Load: 14.6 t ADT: 6

COUNTY ROAD V

Poor

Over: CONEJOS RIVER

1.7 MI E OF 7TH ST. EAST, Conejos, CO

Built 1947 Load: 14.7 t ADT: 136

COUNTY ROAD U

Poor

Over: NORTH FORK SAND ARROYO

1 MI W OF CR 10, Baca, CO

Built 1960 Load: 14.9 t ADT: 7

County Road 3

Poor

Over: Sullivan Ditch

0.7 Mi N of Co Rd 12, Weld, CO

Built 1989 Load: 15.1 t ADT: 2,243

COUNTY RD 20.8

Poor

Over: MOORE CANYON CREEK

JUST W OF CR 67.9, Las Animas, CO

Built 1935 Load: 15.2 t ADT: 30

Showing 8,601-8,650 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.