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 F

Poor

Over: E FORK ADOBE CREEK TRIB

2.1 MILES EAST OF ROAD 34, Lincoln, CO

Built 1955 Load: 15.3 t ADT: 10

UTE PASS AVENUE

Poor

Over: FOUNTAIN CREEK

0.1 M S OF HIGHWAY 24, El Paso, CO

Built 1968 Load: 15.4 t ADT: 1,763

SH 239 ML

Poor

Over: CANAL

2 MI N OF JCT I 25 TRINID, Las Animas, CO

Built 1932 Load: 15.4 t ADT: 380

COUNTY RD 32.4

Poor

Over: PICKETWIRE DITCH

1.2 MI E OF I-25, Las Animas, CO

Built 1970 Load: 15.5 t ADT: 164

COUNTY RD 4.4

Poor

Over: TRINCHERA CREEK

3 MI E OF CR 113, Las Animas, CO

Built 1950 Load: 15.6 t ADT: 6

I 70 ML EBND

Poor

Over: SMITH GULCH

I MI E OF SUMMIT EAGLE CL, Summit, CO

Built 1977 Load: 15.6 t ADT: 10,000

County Road 56

Poor

Over: Elk River

150 Ft W of Co Rd 129, Routt, CO

Built 1972 Load: 16.0 t ADT: 204

COUNTY ROAD MM

Poor

Over: AMITY CANAL

1.0 MI W OF SH 385, Prowers, CO

Built 1970 Load: 16.1 t ADT: 4

MESA AVE.

Poor

Over: OAK CREEK

IN TOWN OF ROCKVALE, Fremont, CO

Built 1993 Load: 16.2 t ADT: 491

COUNTY ROAD 31

Poor

Over: SPRING CREEK

6.5 MILES NORTH OF US 24, Kit Carson, CO

Built 1936 Load: 16.2 t ADT: 339

SH 109 ML

Poor

Over: DRAW

2.7 MI NORTH OF LA JUNTA, Otero, CO

Built 1943 Load: 16.3 t ADT: 2,300

COUNTY ROAD 67

Poor

Over: EAST FORK EIGHT MILE CRK

11.8 MI N OF CR 123, Fremont, CO

Built 1894 Load: 16.4 t ADT: 25

US 350 ML

Poor

Over: HOE RANCH ARROYO

8 MILES NE OF BLOOM, Otero, CO

Built 1937 Load: 16.5 t ADT: 470

FOREST ROAD 305

Poor

Over: M THOMPSON CR

7.8 MI SW OF CARBONDALE, Pitkin, CO

Built 1956 Load: 16.5 t ADT: 10

COUNTY ROAD 32

Poor

Over: ADOBE CREEK

1.8 MILES SOUTH OF ROAD N, Lincoln, CO

Built 1940 Load: 16.8 t ADT: 69

COUNTY ROAD T

Poor

Over: HORSE CREEK

0.3 MI W OF SH 71, Lincoln, CO

Built 1961 Load: 16.8 t ADT: 15

US 160 BUSINESS RT

Poor

Over: MANCOS RIVER

MANCOS, Montezuma, CO

Built 1936 Load: 17.1 t ADT: 530

US 50 SERVICE RD

Poor

Over: BNSF RR AR

ROAD TO PUEBLO ARMY DEPOT, Pueblo, CO

Built 1953 Load: 17.1 t ADT: 8,600

CR 12 (Grand View)

Poor

Over: Stanley Lateral Ditch

0.3 Mi East of Co Rd 13, Weld, CO

Built 1976 Load: 17.1 t ADT: 1,507

COUNTY ROAD 17

Poor

Over: STEELS FORK CREEK

1.2 MILES NORTH OF ROAD F, Lincoln, CO

Built 1950 Load: 17.6 t ADT: 6

County Road 93

Poor

Over: South Platte River

1.1 Mi N of I-76, Logan, CO

Built 1984 Load: 17.6 t ADT: 62

GREENE STREET

Poor

Over: CEMENT CREEK

JUST S OF 16TH STREET, San Juan, CO

Built 1929 Load: 17.6 t ADT: 647

McKay Road

Poor

Over: SOUTH PLATTE RIVER

0.4 MILE N OF 96TH AVENUE, Adams, CO

Built 1965 Load: 17.9 t ADT: 12,861

I 70 FRONTAGE SR

Poor

Over: UP RR SR

NE / DOTSERO INTERCHANGE, Eagle, CO

Built 1935 Load: 18.1 t ADT: 2,296

BIJOU STREET

Poor

Over: SHOOKS RUN

JUST E OF N CORONA STREET, El Paso, CO

Built 1938 Load: 18.1 t ADT: 932

NORTH AVENUE

Poor

Over: DRAINAGE

E. OF UNION BLVD., Jefferson, CO

Built 1942 Load: 18.1 t ADT: 1,100

COUNTY ROAD 40

Poor

Over: KICKING BIRD CANAL

.4 MI N OF CR C, Kiowa, CO

Built 1988 Load: 18.1 t ADT: 14

COUNTY RD 32.0

Poor

Over: PURGATOIRE RIVER

1.6 MI N OF SH 160, Las Animas, CO

Built 1950 Load: 18.1 t ADT: 5

US 350 ML

Poor

Over: SHEEP CANYON ARROYO

6.3 MILES NE OF BLOOM, Otero, CO

Built 1937 Load: 18.1 t ADT: 470

COUNTY ROAD 3

Poor

Over: FT. LYON CANAL

.2 MI N OF CR SS, Prowers, CO

Built 1988 Load: 18.1 t ADT: 240

37th Street

Poor

Over: Loveland Greeley Canal

0.3 Mi E of 83rd Ave, Weld, CO

Built 1994 Load: 18.2 t ADT: 4,671

I 70 ML WBND

Poor

Over: BLACK GORE CREEK

7.5 MI W OF VAIL PASS SUM, Eagle, CO

Built 1977 Load: 18.3 t ADT: 10,000

US 34 ML WBND

Poor

Over: BARNES INLET CANAL

IN LOVELAND AT LAKE, Larimer, CO

Built 1933 Load: 18.3 t ADT: 12,500

SH 114 ML

Poor

Over: COCHETOPA CREEK

11.9 MI SE OF JCT US 50, Saguache, CO

Built 1941 Load: 18.3 t ADT: 470

TOWER ROAD

Poor

Over: THIRD CREEK

0.7 MI NORTH OF 112TH AVE, Adams, CO

Built 1970 Load: 18.4 t ADT: 18,738

COUNTY ROAD HH

Poor

Over: CHEYENNE CREEK

1.1 MI W OF CR 39, Prowers, CO

Built 1975 Load: 18.4 t ADT: 12

I 25 BUS RT

Poor

Over: BEAR CREEK

0.5 MI NO OF JCT I 25 ML, Huerfano, CO

Built 1933 Load: 18.6 t ADT: 1,900

COUNTY ROAD 43

Poor

Over: MANCOS RIVER

01 MI N OF SH 160, Montezuma, CO

Built 1973 Load: 18.6 t ADT: 95

I 70 ML EBND

Poor

Over: GULLER GULCH

3.5 MI E/ VAIL PASS SUMIT, Summit, CO

Built 1977 Load: 18.6 t ADT: 10,000

US 350 ML

Poor

Over: OTERO DITCH

3 MILES S OF LA JUNTA, Otero, CO

Built 1935 Load: 18.7 t ADT: 630

County Road 4

Poor

Over: Neres Canal

0.5 Mi E of Hwy I-76, Weld, CO

Built 1994 Load: 18.9 t ADT: 1,455

SODA LAKES ROAD

Poor

Over: BEAR CREEK

SODA LAKES RD S OFSH 8, Jefferson, CO

Built 1938 Load: 19.0 t ADT: 291

COUNTY ROAD 22

Poor

Over: CATLIN CANAL

.5 MI S OF SH 10, Otero, CO

Built 1966 Load: 19.0 t ADT: 46

YORK STREET

Poor

Over: SOUTH PLATTE RIVER

0.6 MI N OF BRIGHTON BLVD, Adams, CO

Built 1963 Load: 19.1 t ADT: 8,359

COUNTY ROAD LL

Poor

Over: UNNAMED CREEK

.3 MI W OF CR 8.5, Prowers, CO

Built 1991 Load: 19.1 t ADT: 1,086

25TH STREET

Poor

Over: FOUNTAIN CREEK

0.2 MI S OF COLORADO AVE, El Paso, CO

Built 1915 Load: 19.3 t ADT: 283

COUNTY ROAD CC

Poor

Over: OTERO CANAL

.5 MI W OF CR 21, Otero, CO

Built 1961 Load: 19.3 t ADT: 161

County Road 20

Poor

Over: Sullivan Ditch

0.7 Mi E of Co Rd 15, Weld, CO

Built 1994 Load: 19.5 t ADT: 3,128

COUNTY ROAD 63.1

Poor

Over: BNSF RR

JUST W OF I25, Las Animas, CO

Built 1929 Load: 19.7 t ADT: 713

MESA RD

Poor

Over: MONUMENT CREEK

JUST W OF MESA ROAD, El Paso, CO

Built 1940 Load: 19.8 t ADT: 1,418

Showing 8,651-8,700 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.