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

FARMERS ROAD AR

Fair

Over: DRAINAGE DITCH AR

FARMERS RD-46' Rt OF, Logan, CO

Built 1970 Load: 32.7 t ADT: 12

SH 14 ML

Fair

Over: PAWNEE DITCH

2 MI W OF STERLING, Logan, CO

Built 1965 Load: 32.7 t ADT: 3,500

US 6 ML

Fair

Over: HENDERSON-SMITH DITCH

1.2 MI EAST OF JCT SH 14, Logan, CO

Built 1965 Load: 32.7 t ADT: 9,900

County Road 25

Fair

Over: N. Sterling Inlet Canal

1.1 Mi N of Co Rd 20.5, Logan, CO

Built 1969 Load: 32.7 t ADT: 390

County Road 39

Fair

Over: Sterling Seep Ditch No 1

20 Ft N of Co Rd 30.5, Logan, CO

Built 1992 Load: 32.7 t ADT: 1,820

County Road 52

Fair

Over: Lewis Creek

0.25 Mi E of Co Rd 57, Logan, CO

Built 1982 Load: 32.7 t ADT: 19

County Road 55

Fair

Over: N Sterling Outlet Canal

0.2 MI N of Co Rd 58, Logan, CO

Built 2014 Load: 32.7 t ADT: 23

County Road 60.5

Fair

Over: Harmony No. 1 Canal

0.4 Mi E of Co Rd 79, Logan, CO

Built 1965 Load: 32.7 t ADT: 28

County Road 65

Fair

Over: Skinner Draw

0.6 Mi N of Co Rd 54.2, Logan, CO

Built 1982 Load: 32.7 t ADT: 229

County Road 66

Fair

Over: N. Sterling Outlet Canal

1.6 Mi E of Co Rd 65, Logan, CO

Built 2005 Load: 32.7 t ADT: 34

ELM AVENUE

Fair

Over: INDIAN WASH

JUST W OF RD 28, Mesa, CO

Built 1957 Load: 32.7 t ADT: 1,289

COUNTY ROAD F.5

Fair

Over: LEACH CREEK

JUST EAST OF ROAD 24, Mesa, CO

Built 2008 Load: 32.7 t ADT: 2,819

US 6 ML

Fair

Over: HUNTER WASH

3.7 MI E. OF JCT. SH 340, Mesa, CO

Built 2001 Load: 32.7 t ADT: 11,000

US 6 ML

Fair

Over: PERSIGO WASH

4.5 mi E of Fruita, Mesa, CO

Built 1969 Load: 32.7 t ADT: 13,000

COUNTY ROAD 20

Fair

Over: LITTLE SALT WASH

.7 MI N OF COUNTY ROAD L, Mesa, CO

Built 1965 Load: 32.7 t ADT: 457

COUNTY ROAD 21

Fair

Over: ADOBE CREEK

.7 MI N OF RD K, Mesa, CO

Built 1950 Load: 32.7 t ADT: 567

COUNTY ROAD 25

Fair

Over: GRAND VALLEY CANAL

.3 MI N OF RD H, Mesa, CO

Built 1983 Load: 32.7 t ADT: 1,319

COUNTY ROAD 25.5

Fair

Over: REDLANDS POWER CANAL

JUST S OF RD C.50, Mesa, CO

Built 1970 Load: 32.7 t ADT: 1,389

COUNTY ROAD 34

Fair

Over: GRAND VALLEY CANAL

.4 MI S OF F RD, Mesa, CO

Built 1970 Load: 32.7 t ADT: 1,247

COUNTY ROAD 36.75

Fair

Over: ORCHARD MESA CANAL #2

2.5 SE OF PALISADE, Mesa, CO

Built 2008 Load: 32.7 t ADT: 132

CR 37.3/ELBERTA AV

Fair

Over: GOVT. HIGHLINE CANAL

JUST S OF RD H, Mesa, CO

Built 1963 Load: 32.7 t ADT: 6,481

COUNTY ROAD 56.5

Fair

Over: PLATEAU CREEK

JUST N OF RD 330, Mesa, CO

Built 1984 Load: 32.7 t ADT: 15

COUNTY ROAD 65.7

Fair

Over: BUZZARD CREEK

.1 MI N OF RD 330E, Mesa, CO

Built 1985 Load: 32.7 t ADT: 21

COUNTY ROAD H

Fair

Over: GRAND VALLEY CANAL

.1 MI E OF RD 24, Mesa, CO

Built 1962 Load: 32.7 t ADT: 2,336

Tenth Street

Fair

Over: Fortification Creek

50 Ft E of Rose Street, Moffat, CO

Built 1986 Load: 32.7 t ADT: 1,452

EAST 7TH STREET

Fair

Over: UNNAMED DRAINAGE

EAST OF L WAY, Montezuma, CO

Built 2005 Load: 32.7 t ADT: 2,740

County Road 33

Fair

Over: South Platte River

1.0 Mi N of Co Rd X, Morgan, CO

Built 1987 Load: 32.7 t ADT: 144

COUNTY ROAD 18

Fair

Over: ROCKY FORD HIGHLINE CANA

.1 MI N OF CR DD, Otero, CO

Built 1973 Load: 32.7 t ADT: 480

COUNTY ROAD 31

Fair

Over: FORT LYON STORAGE CANAL

1.9 MI N OF CR MM, Otero, CO

Built 1972 Load: 32.7 t ADT: 272

COUNTY ROAD CC

Fair

Over: TIMPAS CREEK

.5 MI W OF CR 24, Otero, CO

Built 1975 Load: 32.7 t ADT: 319

COUNTY ROAD DD

Fair

Over: ROCKY FORD HIGHLINE CANA

.2 MI E OF CR 18, Otero, CO

Built 1970 Load: 32.7 t ADT: 132

COUNTY ROAD 4.25

Fair

Over: ROCKY FORD HIGHLINE CANA

.2 MI S OF CR HH.5, Otero, CO

Built 1970 Load: 32.7 t ADT: 24

COUNTY ROAD 6

Fair

Over: APISHAPA RIVER

1.1 MI S OF SH 50, Otero, CO

Built 1975 Load: 32.7 t ADT: 58

COUNTY ROAD EE

Fair

Over: ROCKY FORD HIGHLINE CANA

.4 MI W OF CR 17, Otero, CO

Built 1973 Load: 32.7 t ADT: 73

COUNTY ROAD HH

Fair

Over: ROCKY FORD HIGHLINE CANA

1.1 MI E OF CR 3, Otero, CO

Built 1970 Load: 32.7 t ADT: 33

MAIN STREET

Fair

Over: CATLIN CANAL

N Ent-Park/.3 Mi S SH50, Otero, CO

Built 1975 Load: 32.7 t ADT: 255

CHESTNUT AVENUE

Fair

Over: ROCKY FORD CANAL

N OF SH 50/ W OF 7TH ST, Otero, CO

Built 1941 Load: 32.7 t ADT: 596

COUNTY ROAD 24

Fair

Over: UNCOMPAHGRE RIVER

0.1 MI W OF US 550, Ouray, CO

Built 1986 Load: 32.7 t ADT: 1,014

OAK STREET

Fair

Over: UNCOMPAHGRE RIVER

IN CITY OF OURAY, Ouray, CO

Built 1987 Load: 32.7 t ADT: 445

SH 9 ML

Fair

Over: CURRANT CREEK

5.4 MI N. OF PARK-FREMONT, Park, CO

Built 1975 Load: 32.7 t ADT: 430

SH 9 ML

Fair

Over: LOUIS GULCH

1.9 MI NW OF FREMONT-PARK, Park, CO

Built 1934 Load: 32.7 t ADT: 1,200

COUNTY ROAD 64A

Fair

Over: N FK SOUTH PLATTE RIVER

W OF BAILEY ON CR 64A, Park, CO

Built 1960 Load: 32.7 t ADT: 157

MOUNTAIN DR

Fair

Over: N FK SOUTH PLATTE RIVER

S OF BELLFORD MTN HEIGHTS, Park, CO

Built 1977 Load: 32.7 t ADT: 143

CLINE DRIVE

Fair

Over: N FK SOUTH PLATTE RIVER

IN SINGLETON N OF HWY 285, Park, CO

Built 1960 Load: 32.7 t ADT: 163

US 6 ML

Fair

Over: DRAW

4.9 MI E OF HOLYOKE, Phillips, CO

Built 2005 Load: 32.7 t ADT: 1,500

FDR 121

Fair

Over: CASTLE CR

1.9MI S OF ASHCROFT, Pitkin, CO

Built 1972 Load: 32.7 t ADT: 10

FDR 105-6C

Fair

Over: FRYINGPAN RV

DAY USE AREA @ DAM, Pitkin, CO

Built 1985 Load: 32.7 t ADT: 50

COUNTY ROAD 15

Fair

Over: CRYSTAL RIVER

E OF SH 133 MO 53, Pitkin, CO

Built 1985 Load: 32.7 t ADT: 373

WOOD RD

Fair

Over: BRUSH CREEK

.01 MI S. OF BRUSH CR RD, Pitkin, CO

Built 2008 Load: 32.7 t ADT: 4,512

US 50 ML

Fair

Over: WILEY DRAINAGE DITCH

1.4 MI E OF JCT SH 287, Prowers, CO

Built 1981 Load: 32.7 t ADT: 7,800

Showing 3,651-3,700 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.