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

Lady Moon Drive

Fair

Over: McClellands Channel

200 Ft. N. Kechter Road, Larimer, CO

Built 2003 Load: 32.7 t ADT: 2,661

LeMay Avenue

Fair

Over: Spring Creek

0.1 Mi N of Stuart St, Larimer, CO

Built 1975 Load: 32.7 t ADT: 26,981

South LeMay Avenue

Fair

Over: Fossil Creek

0.8 Mi N of E. Trilby Rd, Larimer, CO

Built 1985 Load: 32.7 t ADT: 10,956

South LeMay Avenue

Fair

Over: Fossil Creek Tributary

0.2 Mi N of Trilby Road, Larimer, CO

Built 1986 Load: 32.7 t ADT: 12,185

LeMay Avenue

Fair

Over: Larimer and Weld Canal

1.2 Mi N of Vine Drive, Larimer, CO

Built 1958 Load: 32.7 t ADT: 8,064

Morsman Drive

Fair

Over: New Mercer Canal

100 Ft W of Meadowlark Av, Larimer, CO

Built 1968 Load: 32.7 t ADT: 660

Mitchell Drive

Fair

Over: Larimer Co. Canal No. 2

0.1 Mi. S of Horsetooth, Larimer, CO

Built 1992 Load: 32.7 t ADT: 1,749

Mulberry Street

Fair

Over: Larimer Co. Canal No. 2

50 Ft E of Bryan Avenue, Larimer, CO

Built 1920 Load: 32.7 t ADT: 12,947

Mulberry St/CR 46

Fair

Over: Pleas. Valley Lake Canal

0.1 M E of Overland Trail, Larimer, CO

Built 1930 Load: 32.7 t ADT: 4,030

Palmer Dr

Fair

Over: Spillway

0.1 West of Hogan Dr, Larimer, CO

Built 2010 Load: 32.7 t

Plum Street

Fair

Over: Larimer Co. Canal No. 2

0.1 Mi W of City Park Dr., Larimer, CO

Built 1950 Load: 32.7 t ADT: 2,970

Shields Street

Fair

Over: Spring Creek

0.1 Mi N of Hill Pond Rd, Larimer, CO

Built 1976 Load: 32.7 t ADT: 26,932

Skysail Lane

Fair

Over: Larimer Co. Canal No. 2

200 Ft E of Spinnaker, Larimer, CO

Built 1980 Load: 32.7 t ADT: 343

West Swallow Rd

Fair

Over: Larimer Co. Canal No. 2

50 ft W of McClelland Dr, Larimer, CO

Built 1982 Load: 32.7 t ADT: 4,588

Waterglen Drive

Fair

Over: Local Drainage

Just N of Vine Dr, Larimer, CO

Built 1999 Load: 32.7 t ADT: 2,632

Ziegler Drive

Fair

Over: McClelland's Channel

200 Ft. N. Sage Cr. Rd., Larimer, CO

Built 2004 Load: 32.7 t ADT: 11,572

Railroad Avenue

Fair

Over: Greeley Loveland Canal

0.1 Mi N of East First St, Larimer, CO

Built 1917 Load: 32.7 t ADT: 1,010

West 1st Street

Fair

Over: Transfer Ditch

20 Ft E of Lu Ann Drive, Larimer, CO

Built 1930 Load: 32.7 t ADT: 6,800

West 29th Street

Fair

Over: L. Loveland Outlet Canal

425 W 29th Street, Larimer, CO

Built 1925 Load: 32.7 t ADT: 13,399

East 4th Street

Fair

Over: Greeley Loveland Canal

0.1 MI W of St. Louis AV, Larimer, CO

Built 1921 Load: 32.7 t ADT: 2,108

County Road 11H

Fair

Over: Big Thompson River

0.3 Mi N of St Hwy 402, Larimer, CO

Built 1966 Load: 32.7 t ADT: 8,892

County Road 13E

Fair

Over: Love/Horse Shoe Canal

0.3 Mi N of Co Rd 24E, Larimer, CO

Built 1937 Load: 32.7 t ADT: 6,823

County Road 15

Fair

Over: North Poudre Canal

0.9 Mi N of Co Rd 68, Larimer, CO

Built 1930 Load: 32.7 t ADT: 1,103

County Road 17

Fair

Over: Jackson Ditch

0.2 Mi No of Co Rd 54, Larimer, CO

Built 1986 Load: 32.7 t ADT: 2,822

County Road 25G

Fair

Over: Hansen Feeder Canal

0.2 Mi W of Co Rd 23, Larimer, CO

Built 1960 Load: 32.7 t ADT: 1,428

County Road 29C

Fair

Over: Poudre Valley Canal

150 Ft N of St Hwy 14, Larimer, CO

Built 1960 Load: 32.7 t ADT: 166

County Road 31D

Fair

Over: Big Thompson River

0.1 Mi N of Co Rd 22H, Larimer, CO

Built 1978 Load: 32.7 t ADT: 248

County Road 44

Fair

Over: Larimer & Weld Canal

Jct. with Co Rd 1, Larimer, CO

Built 1950 Load: 32.7 t ADT: 3,037

CO50E Bingham Hill

Fair

Over: Larimer Co. Canal No. 2

.2 Mi W of CR 21C, Larimer, CO

Built 1962 Load: 32.7 t ADT: 1,099

County Road 6C

Fair

Over: Little Thompson River

0.8 Mi N of Co Rd 15, Larimer, CO

Built 1960 Load: 32.7 t ADT: 130

County Road 70

Fair

Over: North Poudre Canal

0.1 Mi E of Co Rd 15, Larimer, CO

Built 1940 Load: 32.7 t ADT: 6,105

Country View Court

Fair

Over: New Ish Ditch

E of S CR 21, Larimer, CO

Built 2016 Load: 32.7 t ADT: 55

Rock Canyon Road

Fair

Over: Big Thompson River

10 Ft W of US Hwy 34, Larimer, CO

Built 1977 Load: 32.7 t ADT: 17

Willow Vista Court

Fair

Over: Home Supply Creek

0.2 Mi E of W 1st St, Larimer, CO

Built 2016 Load: 32.7 t ADT: 67

McClellan Road

Fair

Over: Local Drainage

Just north of CR 60, Larimer, CO

Built 2007 Load: 32.7 t ADT: 1,504

COUNTY RD 105.5

Fair

Over: RITO AGUA DULCE

.5 MI NW OF CR 105.6/8.8, Las Animas, CO

Built 1935 Load: 32.7 t ADT: 12

COKEDALE CONNECTOR

Fair

Over: REILLY CANYON CREEK

0.1 MI W OF CR 57.7, Las Animas, CO

Built 1977 Load: 32.7 t ADT: 429

COUNTY RD 38.0

Fair

Over: DURAN ARROYO

400 FEET E OF CR 85, Las Animas, CO

Built 1926 Load: 32.7 t ADT: 36

COUNTY RD 40.2

Fair

Over: ROAD CANYON CREEK

1.2 MI S OF CR 44, Las Animas, CO

Built 1910 Load: 32.7 t ADT: 18

COUNTY RD 8.8

Fair

Over: TRINCHERA CREEK

AT TRINCHERA, Las Animas, CO

Built 1940 Load: 32.7 t ADT: 29

COUNTY RD 6.8

Fair

Over: CHANNEY ARROYO

4 MI W of CR 133, Las Animas, CO

Built 1930 Load: 32.7 t ADT: 16

COUNTY RD 6.8

Fair

Over: TREMENTINA CREEK

.8 MI W OF SH 308, Las Animas, CO

Built 1940 Load: 32.7 t ADT: 25

COUNTY RD 91.0

Fair

Over: FURNESS ARROYO

1.4 MI N OF CR 40, Las Animas, CO

Built 1920 Load: 32.7 t ADT: 1

SH 12 ML

Fair

Over: DRAW

2.9 MI E OF WESTON, Las Animas, CO

Built 1925 Load: 32.7 t ADT: 520

ANIMAS ST

Fair

Over: PURGATOIRE RIVER

BTW NEVADA AVE &MODIC, Las Animas, CO

Built 1962 Load: 32.7 t ADT: 2,088

SH 71 ML

Fair

Over: NORTH RUSH CREEK

13.2 MI S OF LIMON, Lincoln, CO

Built 1957 Load: 32.7 t ADT: 700

SH 71 ML

Fair

Over: MUSTANG CREEK

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

Built 1960 Load: 32.7 t ADT: 700

COUNTY ROAD 28

Fair

Over: ARIKAREE RIVER

0.5 MILES S OF ROAD 3V, Lincoln, CO

Built 1991 Load: 32.7 t ADT: 39

COUNTY ROAD 109

Fair

Over: SOUTH RUSH CREEK

JUST NORTH OF ROAD W, Lincoln, CO

Built 1988 Load: 32.7 t ADT: 131

COUNTY ROAD 43

Fair

Over: N FORK ARIKAREE RIVER

0.7 MILE SOUTH OF ROAD 4D, Lincoln, CO

Built 1993 Load: 32.7 t ADT: 58

Showing 3,601-3,650 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.