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

E County Road 52

Good

Over: Unnamed Drain

800 Ft E of I25, Larimer, CO

Built 2015 Load: 55.1 t ADT: 654

County Road 63

Good

Over: Fish Creek

3 Mi. S. of SH 36, Larimer, CO

Built 2017 Load: 55.1 t ADT: 856

SH 13 ML

Good

Over: WILDLIFE CROSSING

16.3 MI S OF WYO/CO LINE, Moffat, CO

Built 2022 Load: 55.1 t ADT: 930

BROOKHAVEN LANE

Good

Over: LOCAL DRAINAGE

JUST S OF BOWLES AVENUE, Arapahoe, CO

Built 2000 Load: 55.2 t ADT: 304

COUNTY ROAD 26

Good

Over: BIG SANDY CREEK

1.0 MI S OF HIGHWAY 40, Lincoln, CO

Built 1998 Load: 55.2 t ADT: 55

SH 64 ML

Good

Over: DOUGLAS CREEK

1 MI E OF RANGELY, Rio Blanco, CO

Built 1990 Load: 55.2 t ADT: 1,600

IRR# COUNTY RD 100

Good

Over: LA PLATA RIVER

2 MI W OF SH 140, La Plata, CO

Built 2001 Load: 55.3 t ADT: 170

56TH AVENUE

Good

Over: RALSTON CREEK

0.01 MI SW OF RALSTON RD, Jefferson, CO

Built 2000 Load: 55.5 t ADT: 4,301

Stover Street

Good

Over: Spring Creek

200 Ft N of Stuart Street, Larimer, CO

Built 1993 Load: 55.5 t ADT: 1,766

County Road X.5

Good

Over: Weldona Valley Ditch

150 Ft E of St Hwy 144, Morgan, CO

Built 2004 Load: 55.6 t ADT: 230

LaPorte Avenue

Good

Over: New Mercer Canal

0.08 Mi E of Taft Hill, Larimer, CO

Built 2023 Load: 55.7 t ADT: 9,091

COUNTY ROAD 24

Good

Over: ARIKAREE RIVER

0.8 MI NORTH OF ROAD 3R, Lincoln, CO

Built 2002 Load: 55.7 t ADT: 8

RICHTHOFEN PLACE

Good

Over: WESTERLY CREEK

RICHTHOFEN AND XANTHIA, Denver, CO

Built 1965 Load: 55.8 t ADT: 334

COUNTY ROAD 23

Good

Over: TIMPAS CREEK

.6 MI S OF CR CC, Otero, CO

Built 1997 Load: 55.8 t ADT: 90

COMMERCIAL STREET

Good

Over: PURGATOIRE RIVER

IN TRINIDAD, Las Animas, CO

Built 1990 Load: 55.9 t ADT: 4,100

COUNTY ROAD RR

Good

Over: TRIB. OF TWO BUTTES CRK

.6 MI E OF CR 12, Baca, CO

Built 1998 Load: 56.0 t ADT: 17

SH 83 ML

Good

Over: RUSSELLVILLE GULCH

11.5 MI N OF JCT SH 105, Douglas, CO

Built 1976 Load: 56.0 t ADT: 7,900

FDR 114

Good

Over: MIDDLE ST. VRAIN CREEK

0.94 MI WEST OF CO HWY 72, Boulder, CO

Built 1952 Load: 56.1 t ADT: 90

Bow Mountain Rd.

Good

Over: Fourmile Creek

20 ft S of Wagonwheel Rd, Boulder, CO

Built 2019 Load: 56.1 t ADT: 124

US 24 ML

Good

Over: CLEAR CRK RESV SPILLWAY

2.5 MI SE OF GRANITE, Chaffee, CO

Built 1983 Load: 56.1 t ADT: 2,700

County Road 17

Good

Over: Dove Creek Canal Reach 1

Yellow Jacket, Colorado, Montezuma, CO

Built 1984 Load: 56.1 t ADT: 20

US 40 ML

Good

Over: ST LOUIS CREEK

AT NW END OF FRASER, Grand, CO

Built 1975 Load: 56.2 t ADT: 9,800

COUNTY ROAD 59

Good

Over: LITTLE BEAVER CREEK

0.1 MILE NORTH OF ROAD KK, Kit Carson, CO

Built 1994 Load: 56.2 t ADT: 42

BRADLEY ROAD

Good

Over: JIMMY CAMP CREEK

.33 MI E MARKSHEFFEL RD, El Paso, CO

Built 1999 Load: 56.3 t ADT: 2,812

County Road 17.5

Good

Over: Big Salt Wash

.3 MI N of CR M, Mesa, CO

Built 2012 Load: 56.4 t ADT: 834

COUNTY ROAD 30

Good

Over: GOVT. HIGHLINE CANAL

0.1 MI N OF CR G, Mesa, CO

Built 1994 Load: 56.5 t ADT: 96

I25 NB OFF_ON RAMP

Good

Over: CHEYENNE CREK

IN COLORADO SPRINGS, El Paso, CO

Built 2002 Load: 56.6 t ADT: 44,000

SH 142 ML

Good

Over: CONEJOS RIVER

2 M E OF MANASSA, Conejos, CO

Built 1984 Load: 56.7 t ADT: 530

CROWFOOT VALLEY RD

Good

Over: LEMON GULCH

0.6 MI S OF STROH ROAD, Douglas, CO

Built 2002 Load: 56.7 t ADT: 5,095

COUNTY ROAD 14A

Good

Over: DEXTER CREEK

2.8 MI N OF OURAY, Ouray, CO

Built 1999 Load: 56.7 t ADT: 66

County Road Y

Good

Over: Trib S Fk Republican Riv

0.30 Mi North of Cty Line, Yuma, CO

Built 1989 Load: 56.7 t ADT: 68

CR 48 (Vine Dr.)

Good

Over: Larimer County Canal #2

0.2 Mi E of Taft Hill, Larimer, CO

Built 1966 Load: 56.8 t ADT: 7,096

County Road RR

Good

Over: Arikaree River

1.20 Mi N of Co Rd 23, Yuma, CO

Built 1991 Load: 56.9 t ADT: 39

SH 67 ML

Good

Over: DRAW

5.9 MI. S. OF FLORENCE, Fremont, CO

Built 2013 Load: 57.0 t ADT: 1,300

NFSR 7765

Good

Over: WILLOW CREEK

27.5 MI NE OF ALMONT, CO, Gunnison, CO

Built 2018 Load: 57.0 t ADT: 363

LOWELL BLVD

Good

Over: CLEAR CREEK

BETWEEN 55TH PL AND I76, Adams, CO

Built 2000 Load: 57.1 t ADT: 3,731

College Avenue

Good

Over: Pine Ridge Gulch

50 Ft. S of First Street, Moffat, CO

Built 1995 Load: 57.2 t ADT: 148

ADAMS RANCH RD

Good

Over: WADDLE CREEK

CITY STREET - ADAMS RANCH, San Miguel, CO

Built 2000 Load: 57.2 t ADT: 172

US 85 ML

Good

Over: HIGHLINE CANAL

0.8 MI SO OF JCT SH 470, Douglas, CO

Built 1983 Load: 57.3 t ADT: 32,000

US 24 ML

Good

Over: UP RR

4 MI N OF LEADVILLE, Lake, CO

Built 2011 Load: 57.4 t ADT: 1,600

COUNTY ROAD 45

Good

Over: TRIB. OF CIMARRON RIVER

0.2 MI N OF CR G, Baca, CO

Built 2018 Load: 57.7 t ADT: 61

COUNTY ROAD 33

Good

Over: GRAND VALLEY CANAL

.2 MILES N OF ROAD E, Mesa, CO

Built 2009 Load: 57.8 t ADT: 3,258

US 138 ML

Good

Over: UP RR

2 MI W OF JULESBURG, Sedgwick, CO

Built 2000 Load: 57.9 t ADT: 1,300

FDR 597

Good

Over: FLORIDA RIVER

16.5 MI NE OF DURANGO, La Plata, CO

Built 1949 Load: 58.0 t ADT: 84

GREENWAY DRIVE

Good

Over: LITTLE SALT WASH

S OF US 6/W OF COLLSON DR, Mesa, CO

Built 2011 Load: 58.0 t ADT: 18

COUNTY ROAD 24

Good

Over: GRAND VALLEY CANAL

.4 MI N OF RD I, Mesa, CO

Built 2013 Load: 58.0 t ADT: 2,328

MEADOWS BLVD

Good

Over: EAST PLUM CREEK TRIBUTAR

1.3 MI W OF MEADOWS PKWY, Douglas, CO

Built 1987 Load: 58.1 t ADT: 4,911

I 25 ML SBND

Good

Over: PLUM CREEK PARKWAY

S. END OF CASTLE ROCK, Douglas, CO

Built 2010 Load: 58.2 t ADT: 33,000

County Road 93

Good

Over: N. Sterling Outlet Canal

0.7 Mi N of Co Rd 66, Logan, CO

Built 2003 Load: 58.2 t ADT: 43

EB MONTVIEW BLVD

Good

Over: WESTERLY CREEK

0.26 MI E OF YOSEMITE ST., Adams, CO

Built 2014 Load: 58.3 t ADT: 10,147

Showing 8,201-8,250 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.