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

I 70 SILT SPUR

Unknown

Over: I 70 ML

NEAR SILT, Garfield, CO

Built 1972 ADT: 18,000

US 6 ML

Unknown

Over: I 70 ML

5 MI. W. OF GLENWOOD SPRI, Garfield, CO

Built 1971 ADT: 26,000

I 70 ML EBND

Unknown

Over: COUNTY ROAD 134

2.5 MI W OF GLENWOOD SPGS, Garfield, CO

Built 1969

I 70 ML EBND

Unknown

Over: COUNTY ROAD 133

W. GLENWOOD INTERCHANGE, Garfield, CO

Built 1970

DEVEREUX ROAD

Unknown

Over: I 70 ML

IN GLENWOOD, Garfield, CO

Built 1970 ADT: 25,000

I 70 ML

Unknown

Over: SH 82 ML

GLENWOOD SPRINGS, Garfield, CO

Built 1970 ADT: 23,000

I 70 ACCESS RD

Unknown

Over: I 70 ML

1.5 MI E. OF NEW CASTLE, Garfield, CO

Built 1971 ADT: 21,000

COUNTY ROAD 129

Unknown

Over: I 70 ML SR

W END OF GLENWOOD CANYON, Garfield, CO

Built 1966 ADT: 16,000

I 70 ML WBND

Unknown

Over: I70 RAMP,RR,COLO RVR

W END HANGING LAKE TUNNEL, Garfield, CO

Built 1992 ADT: 510

I 70 ML EBND

Unknown

Over: RAMP,RR,COLORADO RVR

W END HANGING LAKE TUNNEL, Garfield, CO

Built 1992 ADT: 510

I 70 ML EBND

Unknown

Over: BLM ACCESS ROAD

0.7 MI E. OF MESA/GARFIEL, Garfield, CO

Built 1982 ADT: 1,000

COUNTY ROAD 300

Unknown

Over: I 70 ML

PARACHUTE, Garfield, CO

Built 1982 ADT: 8,000

US 6M ML

Unknown

Over: I 70 ML

2 MI W OF PARACHUTE, Garfield, CO

Built 1983 ADT: 550

SH 6 M FRONTAGE RD

Unknown

Over: I 70 ML

3.6 MI E OF PARACHUTE, Garfield, CO

Built 1981 ADT: 1,840

VIRGINIA CANYON RD

Unknown

Over: CENTRAL CITY PKWY

0.7 MI S OF CENTRAL CITY, Gilpin, CO

Built 2004

COUNTY ROAD

Unknown

Over: I 25 ML

16.6 MI NO OF WALSENBURG, Huerfano, CO

Built 1965 ADT: 100

COUNTY ROAD 110

Unknown

Over: I 25 ML

14 MI NO OF WALSENBURG, Huerfano, CO

Built 1967 ADT: 100

I 25 ML NBND

Unknown

Over: US 160,SH 10, RR SPUR

1.1 MI N WALSENBURG BUS R, Huerfano, CO

Built 1963 ADT: 950

I 25 ML SBND

Unknown

Over: US 160, SH 10, RR SPUR

1.15 MI N WALSENBURG BUS, Huerfano, CO

Built 1963 ADT: 1,400

I 25 BUS RT

Unknown

Over: I 25 ML

SO CONNECT OF WALSENBURG, Huerfano, CO

Built 1963 ADT: 11,000

I 25 BUS RT

Unknown

Over: I 25 ML

2.2 MI NO OF JCT US 160, Huerfano, CO

Built 1963 ADT: 8,300

I 25 ML SBND

Unknown

Over: CO RD 640, BUTTE CREEK

8.7 MI N OF SH10-WLSNBRG., Huerfano, CO

Built 2018

I 25 ML NBND

Unknown

Over: CO RD 103, BUTTE CREEK

8.6 MI N OF SH10-WLSNBRG., Huerfano, CO

Built 2018

COUNTY ROAD 310.2

Unknown

Over: I 25 ML

6.5 MI N. OF AGUILAR, Huerfano, CO

Built 1959 ADT: 12,000

COUNTY RD-ROUSE RD

Unknown

Over: I 25 ML

9.2 MI S OF SH10-WLSNBRG., Huerfano, CO

Built 1969 ADT: 110

GRANDVIEW AVENUE

Unknown

Over: WADSWORTH BYPASS

0.1 MI S OF RALSTON RD, Jefferson, CO

Built 2008 ADT: 51,000

RIDGE ROAD

Unknown

Over: KIPLING STREET

.6 MI N OF I-70, Jefferson, CO

Built 1987 ADT: 15,000

COUNTY ROAD 64

Unknown

Over: PRIVATE DRIVE

3.2 MI. W OF US285, Jefferson, CO

Built 1995 ADT: 10

TABOR STREET

Unknown

Over: I 70 ML

IN WHEATRIDGE, Jefferson, CO

Built 1967 ADT: 4,986

I 70 ML

Unknown

Over: SH 95 ML

LAKESIDE, Jefferson, CO

Built 1966 ADT: 29,000

I 70 ML WBND

Unknown

Over: SH 391 ML

WHEATRIDGE, Jefferson, CO

Built 1967 ADT: 38,000

I 70 ML EBND

Unknown

Over: SH 391 ML

WHEATRIDGE, Jefferson, CO

Built 1967 ADT: 38,000

MCINTYRE STREET

Unknown

Over: SH 58 ML

2.9 MI E OF JCT SH 93, Jefferson, CO

Built 1973 ADT: 15,213

I 76 ML EBND

Unknown

Over: SH 95 ML

1.67 MI E I-70 SH 121, Jefferson, CO

Built 1986 ADT: 32,000

I 76 ML WBND

Unknown

Over: SH 95 ML

4.1 MI WEST OF I-25, Jefferson, CO

Built 1986 ADT: 32,000

RAMP TO I 70 EBND

Unknown

Over: I 70 ML R

END OF SH 58 @ I 70, Jefferson, CO

Built 1968 ADT: 86,000

I 70 ML WBND

Unknown

Over: SH 72 ML

WHEATRIDGE, Jefferson, CO

Built 1968 ADT: 34,000

I 70 ML EBND

Unknown

Over: SH 72 ML

WHEATRIDGE, Jefferson, CO

Built 1968 ADT: 34,000

I 76 ML EBND

Unknown

Over: RAMP TO SH 121 ML

I70, I76, SH121 INTERCHAN, Jefferson, CO

Built 1982 ADT: 62,500

I 76 ML WBND

Unknown

Over: RAMP TO SH 121 ML

IN ARVADA, Jefferson, CO

Built 1982 ADT: 62,500

I 76 ML EBND

Unknown

Over: I 70 ML WBND

IN ARVADA, Jefferson, CO

Built 1982 ADT: 90,000

RAMP TO I 76 EBND

Unknown

Over: I 70 ML EBND

I70, I76, SH121 INTERCHAN, Jefferson, CO

Built 1982 ADT: 90,000

RMP TO EB I70/I76

Unknown

Over: I 70 ML, SH 121 R

IN ARVADA, Jefferson, CO

Built 1985 ADT: 46,000

HARLAN/WEST.BLVD.

Unknown

Over: US 36 ML

BETWEEN 92ND & 104TH, Jefferson, CO

Built 2001 ADT: 102,000

92ND AVENUE

Unknown

Over: US 36 ML

JUST W OF SHERIDAN BLVD, Jefferson, CO

Built 1983 ADT: 28,080

I 70 ML

Unknown

Over: SH 121 ML

ARVADA, Jefferson, CO

Built 1996 ADT: 44,000

SH 58 RAMP

Unknown

Over: I70ML/ SH58 ML/CLR CRK

I-70 & SH 58 INTERCHA, Jefferson, CO

Built 2008 ADT: 27,300

US 36 ML

Unknown

Over: Promenade Dr.

0.2 MI NW CHURCH RANCH RD, Jefferson, CO

Built 2006

WASHINGTON STREET

Unknown

Over: SH 58 ML

IN GOLDEN, Jefferson, CO

Built 2010 ADT: 12,408

SH 95 ML(SHERIDAN)

Unknown

Over: US 36 ML

IN WESTMINSTER, Jefferson, CO

Built 2014 ADT: 103,000

Showing 501-550 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.