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

CREEKSIDE DRIVE

Fair

Over: TEN MILE CREEK

0.1 MI N OF MAIN STREET, Summit, CO

Built 1965 Load: 32.7 t ADT: 548

MADISON AVE

Fair

Over: TEN MILE CREEK

0.1 MI N OF MAIN STREET, Summit, CO

Built 1965 Load: 32.7 t ADT: 667

4TH AVE-CREEKSIDE

Fair

Over: TEN MILE CREEK

0.2 MI N OF MAIN STREET, Summit, CO

Built 1965 Load: 32.7 t ADT: 980

STEPHENS STREET

Fair

Over: STRAIGHT CREEK

NEAR FACTORY OUTLET, Summit, CO

Built 1989 Load: 32.7 t ADT: 8,716

US 36 ML

Fair

Over: DRAW

3.1 MI E OF LINDON, Washington, CO

Built 1938 Load: 32.7 t ADT: 570

County Road P

Fair

Over: Prewitt Inlet Canal

0.4 Mi. N. of Co. Rd. 57, Washington, CO

Built 1997 Load: 32.7 t ADT: 10

SH 392 ML

Fair

Over: GREELEY CANAL NO 2

6.2 MI E OF JCT US 85, Weld, CO

Built 1965 Load: 32.7 t ADT: 3,100

US 85 ML SBND

Fair

Over: LATHAM CANAL

JUST SO OF EVANS, Weld, CO

Built 2008 Load: 32.7 t ADT: 12,500

I 76 ML

Fair

Over: JIM CREEK

3.49 MI NW OF JCT SH 52, Weld, CO

Built 1961 Load: 32.7 t ADT: 16,000

Cheeseman Street

Fair

Over: Coal Creek

300 Yd E of Cattail St, Weld, CO

Built 1996 Load: 32.7 t ADT: 104

CR 1 (Co Line Rd)

Fair

Over: Lower Boulder Ditch

0.4 Mi N of Cheeseman St, Weld, CO

Built 1996 Load: 32.7 t ADT: 5,611

County Road 396

Fair

Over: Big Thompson River

0.2 Mi So of 54 ST RD, Weld, CO

Built 1965 Load: 32.7 t ADT: 132

County Road 33

Fair

Over: Union Ditch

50 Ft So of Co Rd 394, Weld, CO

Built 1940 Load: 32.7 t ADT: 369

49th Street (CR52)

Fair

Over: Ashcroft Draw

0.9 Mi E of 47th Ave, Weld, CO

Built 1965 Load: 32.7 t ADT: 5,459

4th Street

Fair

Over: Greeley No. 3 Ditch

2300 Blk-4th Street, Weld, CO

Built 1972 Load: 32.7 t ADT: 10,732

4th Street

Fair

Over: Greeley No. 3 Ditch

2400 Blk-4th Street, Weld, CO

Built 1970 Load: 32.7 t ADT: 10,732

4th Street

Fair

Over: Greeley No. 3 Ditch

2600 Blk-4th Street, Weld, CO

Built 1972 Load: 32.7 t ADT: 16,883

8th St (CR60.5)

Fair

Over: Sand Creek

2.3 Mi E of JCT 85 BYP, Weld, CO

Built 1967 Load: 32.7 t ADT: 6,476

12TH STREET

Fair

Over: GREELEY NO. 3 DITCH

200 FT E OF 16TH AVE, Weld, CO

Built 1952 Load: 32.7 t ADT: 385

County Road 4

Fair

Over: Fulton Ditch

0.9 Mi E of US Hwy 85, Weld, CO

Built 1970 Load: 32.7 t ADT: 94

County Road 6

Fair

Over: South Platte River

1.1 Mi E of Co Rd 23, Weld, CO

Built 1970 Load: 32.7 t ADT: 1,224

County Road 16.5

Fair

Over: Boulder Creek

0.8 Mi E of Co Rd 1, Weld, CO

Built 1983 Load: 32.7 t ADT: 572

County Road 17

Fair

Over: Big Thompson River

0.9 Mi N of Co Rd 50, Weld, CO

Built 1978 Load: 32.7 t ADT: 48

County Road 19

Fair

Over: Little Thompson River

0.1 Mi N of Co Rd 46.5, Weld, CO

Built 1960 Load: 32.7 t ADT: 224

County Road 21

Fair

Over: Big Dry Creek

0.5 Mi N of Co Rd 6, Weld, CO

Built 1970 Load: 32.7 t ADT: 313

83rd Avenue

Fair

Over: Cache La Poudre River

0.3 Mi N of Co Rd 62, Weld, CO

Built 1981 Load: 32.7 t ADT: 6,792

CR27.5-Two Rvr Pkw

Fair

Over: Big Thompson River

0.3 Mi N of Co Rd 396, Weld, CO

Built 1970 Load: 32.7 t ADT: 1,126

County Road 28

Fair

Over: South Platte River

0.7 Mi E of Co Rd 23, Weld, CO

Built 1965 Load: 32.7 t ADT: 1,008

County Road 31

Fair

Over: Evans Ditch No. 2

0.5 Mi N of Co Rd 36, Weld, CO

Built 1973 Load: 32.7 t ADT: 145

County Road 33

Fair

Over: Ashcroft Draw

Arrowhead Dr & 37th S, Weld, CO

Built 1970 Load: 32.7 t ADT: 532

35th Avenue

Fair

Over: Cache La Poudre River

0.6 Mi N of F S & 36t, Weld, CO

Built 1970 Load: 32.7 t ADT: 4,683

25th Avenue

Fair

Over: Cache La Poudre River

0.2 Mi S of W O St, Weld, CO

Built 1970 Load: 32.7 t ADT: 2,694

County Road 47

Fair

Over: Latham Ditch

0.9 Mi N of Co Rd 54, Weld, CO

Built 1991 Load: 32.7 t ADT: 718

County Road 49

Fair

Over: Lone Tree Creek

0.5 Mi N of St Hwy 392, Weld, CO

Built 1970 Load: 32.7 t ADT: 131

County Road 52

Fair

Over: Loveland Greeley Canal

0.7 Mi E of St Hwy 257, Weld, CO

Built 1968 Load: 32.7 t ADT: 207

County Road 54

Fair

Over: South Platte River

0.1 Mi E of Co Rd 41, Weld, CO

Built 1973 Load: 32.7 t ADT: 2,391

County Road 59

Fair

Over: Latham Ditch

0.6 Mi N of Co Rd 50, Weld, CO

Built 1973 Load: 32.7 t ADT: 116

County Road 61

Fair

Over: Diver. of S Platte River

1.6 Mi N of US Hwy 34, Weld, CO

Built 1970 Load: 32.7 t ADT: 744

County Road 72

Fair

Over: Lone Tree Creek

0.95 Mi E of Co Rd 41, Weld, CO

Built 1989 Load: 32.7 t ADT: 90

County Road 74

Fair

Over: Crow Creek

E. of CR 69, Weld, CO

Built 2017 Load: 32.7 t ADT: 234

County Road 88

Fair

Over: Collins Lateral Canal

0.4 Mi E of Co Rd 39, Weld, CO

Built 1970 Load: 32.7 t ADT: 72

County Road 90

Fair

Over: Spring Creek

200 Ft E of US Hwy 85, Weld, CO

Built 1960 Load: 32.7 t ADT: 1,869

County Road 90

Fair

Over: Owl Creek

0.35 Mi E of Co Rd 45, Weld, CO

Built 1970 Load: 32.7 t ADT: 16

County Road 129

Fair

Over: South Pawnee Creek

2.6 Mi N of Co Rd 88, Weld, CO

Built 1983 Load: 32.7 t ADT: 398

11TH ST

Fair

Over: GREELEY NO. 2 CANAL

0.3 MI N OF ST HWY 392, Weld, CO

Built 2003 Load: 32.7 t ADT: 2,422

Seventh Street

Fair

Over: Cache La Poudre River

0.2 Mi S of Eastman Pk Dr, Weld, CO

Built 1984 Load: 32.7 t ADT: 11,595

SH 94 ML

Fair

Over: STEEL FORK

1.7 MI E OF RUSH, El Paso, CO

Built 1971 Load: 32.8 t ADT: 630

COUNTY ROAD 634

Fair

Over: CALDWELL GULCH CANYON

5.5 MI NORTH OF SH 69, Huerfano, CO

Built 1994 Load: 32.8 t ADT: 8

COUNTY ROAD 24

Fair

Over: SOUTH RUSH CREEK

1.2 MILES N OF SR 94, Lincoln, CO

Built 1990 Load: 32.8 t ADT: 19

County Road 18.5

Fair

Over: Fort Morgan Canal

0.2 Mi North of CR Q, Morgan, CO

Built 1960 Load: 32.8 t ADT: 817

Showing 3,751-3,800 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.