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%.

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.

All Bridges in Colorado

CR 20/RED MTN RD

Fair

Over: HUNTER CREEK

jUST S PITKIN SIGN, Pitkin, CO

Built 1955 Load: 28.2 t ADT: 2,733

County Road 36

Fair

Over: Evans Ditch No. 2

0.6 Mi E of Co Rd 29, Weld, CO

Built 1985 Load: 28.2 t ADT: 76

WINVIEW ROAD

Fair

Over: WETZEL CREEK

1.6 MILES NORTH OF US36, Adams, CO

Built 1997 Load: 28.3 t ADT: 14

I 70 ML WBND

Fair

Over: DRAW

1.8 MI E OF JCT US 36, Adams, CO

Built 1960 Load: 28.3 t ADT: 13,000

I 70 ML EBND

Fair

Over: DRAW

1.8 MI E OF JCT US 36, Adams, CO

Built 1960 Load: 28.3 t ADT: 13,000

HURON STREET

Fair

Over: BULL CANAL

1 BLK S OF 132ND AVE, Adams, CO

Built 1978 Load: 28.3 t ADT: 11,054

6th Street

Fair

Over: Boulder Creek

0.1 Mi So of Canyon Blvd, Boulder, CO

Built 1978 Load: 28.3 t ADT: 10,000

CORNELL AVENUE

Fair

Over: GOLDSMITH GULCH

JUST W OF TAMARAC DRIVE, Denver, CO

Built 1971 Load: 28.3 t ADT: 2,767

Cardinal Way

Fair

Over: Parachute Creek

0.75 Mi SW of CO Rd 301, Garfield, CO

Built 1982 Load: 28.3 t ADT: 380

County Road 57

Fair

Over: Fraser River

Near Co. Animal Shelter, Grand, CO

Built 1980 Load: 28.3 t ADT: 275

County Road 25

Fair

Over: Prewitt Outlet Canal

0.2 Mi. E. of US Hwy. 36, Washington, CO

Built 1993 Load: 28.3 t ADT: 47

I 25 ML NBND

Fair

Over: COUNTY ROAD

6.2 MI NO OF JCT SH 66, Weld, CO

Built 1961 Load: 28.3 t ADT: 36,000

County Road 51

Fair

Over: Owl Creek Canal

1.96 Mi N of Co Rd 76, Weld, CO

Built 1999 Load: 28.3 t ADT: 968

MOLINE STREET

Fair

Over: UPPER WESTERLY CREEK

.25 MI S OF MISSISSIPPI, Arapahoe, CO

Built 1973 Load: 28.4 t ADT: 1,945

I 70 SERVICE RD

Fair

Over: CLEAR CREEK SR

1.7 MI W OF SILVERPLUME, Clear Creek, CO

Built 1971 Load: 28.4 t ADT: 11

GARDEN OF GODS RD

Fair

Over: SOUTH DOUGLAS CREEK

JUST EAST OF 30TH STREET, El Paso, CO

Built 1984 Load: 28.4 t ADT: 11,913

US 24 ML

Fair

Over: DRAW

0.5 MI W OF RAMAH, El Paso, CO

Built 1935 Load: 28.4 t ADT: 3,900

County Road 31

Fair

Over: Cottonwood Creek

0.1 Mi S of Co Rd 18E, Larimer, CO

Built 1991 Load: 28.4 t ADT: 766

I 25 ML

Fair

Over: ROAD TO WOOTEN

2.2 MI N OF NEW MEXICO SL, Las Animas, CO

Built 1965 Load: 28.4 t ADT: 12,000

I 70 ML

Fair

Over: PLATEAU CREEK

0.1 MI E OF JCT SH 65 ML, Mesa, CO

Built 1965 Load: 28.4 t ADT: 17,000

County Road 53

Fair

Over: Lay Creek

0.2 Mi South of US Hwy 40, Moffat, CO

Built 1959 Load: 28.4 t ADT: 21

I 25 ML SBND

Fair

Over: DREW DIX PARKWAY

12.5 MI S OF EL PASO-PUEB, Pueblo, CO

Built 1960 Load: 28.4 t ADT: 18,000

COUNTY ROAD 6E

Fair

Over: RIO GRANDE RIVER

6.0 MI E OF MONTE VISTA, Rio Grande, CO

Built 1972 Load: 28.4 t ADT: 1,202

US 40 ML

Fair

Over: WALTON CREEK

SE edge of Stmboat Sprngs, Routt, CO

Built 1990 Load: 28.4 t ADT: 9,200

County Road 43

Fair

Over: Lone Tree Creek

0.25 Mi N of Co Rd 70, Weld, CO

Built 1981 Load: 28.4 t ADT: 572

County Road 76

Fair

Over: Larimer and Weld Canal

0.5 Mi E of Co Rd 31, Weld, CO

Built 1980 Load: 28.4 t ADT: 79

County Road 76

Fair

Over: Owl Creek Canal

0.2 Mi E of Co Rd 53, Weld, CO

Built 1998 Load: 28.4 t ADT: 103

48TH AVENUE

Fair

Over: WOLF CREEK

1.5 MI W OF STRASBURG RD, Adams, CO

Built 1992 Load: 28.5 t ADT: 70

HUBBARD CANYON

Fair

Over: WEST MUDDY CREEK

27 MI N OF PAONIA, Delta, CO

Built 1984 Load: 28.5 t ADT: 29

WAZEE ST

Fair

Over: CHERRY CREEK

WAZEE ST AT 14TH STREET, Denver, CO

Built 1985 Load: 28.5 t ADT: 8,217

MONACO PARKWAY

Fair

Over: RETENTION POND DRAINAGE

JUST SO OF JEWELL AVE, Denver, CO

Built 1996 Load: 28.5 t ADT: 24,382

I 70 ML EBND

Fair

Over: COUNTY ROAD

3.6 MI W OF WOLCOTT INTER, Eagle, CO

Built 1971 Load: 28.5 t ADT: 14,500

I 70 ML EBND

Fair

Over: WEST 20TH AVE

1.6 MI E OF JCT US 40, Jefferson, CO

Built 1968 Load: 28.5 t ADT: 45,500

COUNTY ROAD Z

Fair

Over: CATLIN CANAL

.3 MI W OF CR 25, Otero, CO

Built 1983 Load: 28.5 t ADT: 153

County Road 31

Fair

Over: N Fork Frenchman Creek

0.6 Mi No of Co Rd 26, Phillips, CO

Built 1989 Load: 28.5 t ADT: 38

COUNTY ROAD 11

Fair

Over: SNOWMASS CREEK

S END OF COUNTY ROAD 11, Pitkin, CO

Built 1986 Load: 28.5 t ADT: 102

COUNTY ROAD LL

Fair

Over: BUFFALO CREEK

.3 MI W OF CR 26, Prowers, CO

Built 1990 Load: 28.5 t ADT: 26

COUNTY ROAD G

Fair

Over: RIO GRANDE CANAL

JUST W OF CR 43.5, Saguache, CO

Built 1964 Load: 28.5 t ADT: 396

County Road 67

Fair

Over: Simpson Creek

0.9 Mi N of Co Rd 128, Weld, CO

Built 1990 Load: 28.5 t ADT: 23

IMBODEN ROAD

Fair

Over: BOX ELDER CREEK TRIB

.3 MI N OF 6TH AVE, Arapahoe, CO

Built 2002 Load: 28.6 t ADT: 183

RAPP STREET

Fair

Over: LITTLES CREEK

2 BLKS S OF MAIN STREET, Arapahoe, CO

Built 1981 Load: 28.6 t ADT: 2,154

3rd Ave. EB

Fair

Over: GW RR

.15 Mi W of Jct 119, Boulder, CO

Built 1969 Load: 28.6 t ADT: 7,667

COUNTY RD 340

Fair

Over: NORTH COTTONWOOD CREEK

.5 MI NW OF CR 306, Chaffee, CO

Built 2001 Load: 28.6 t ADT: 502

Rendezvous Road

Fair

Over: Fraser River

0.12 MI E of US40, Grand, CO

Built 2006 Load: 28.6 t ADT: 997

10TH STREET

Fair

Over: TUCKER GULCH

JUST EAST OF FORD STREET, Jefferson, CO

Built 1966 Load: 28.6 t ADT: 4,684

County Road 70

Fair

Over: Box Elder Creek

100 Ft E of Co Rd 9, Larimer, CO

Built 1984 Load: 28.6 t ADT: 6,368

SH 71 ML

Fair

Over: SOUTH RUSH CREEK

2.9 MI N OF SH 94-PUNKIN, Lincoln, CO

Built 2008 Load: 28.6 t ADT: 700

I 70 ML WBND

Fair

Over: N CHANNEL-COLORADO RVR

11.0 MI. W. JCT. US 6 ML, Mesa, CO

Built 1970 Load: 28.6 t ADT: 5,500

I 70 ML EBND

Fair

Over: N CHANNEL-COLORADO RVR

5.3 MI E. JCT. SH 6 MACK, Mesa, CO

Built 1970 Load: 28.6 t ADT: 5,500

County Road 12

Fair

Over: Bijou Creek

0.4 Mi N of Interstate 76, Morgan, CO

Built 1986 Load: 28.6 t ADT: 858

Showing 2,451-2,500 of 8,965 bridges

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.

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.