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

US 224 ML-70TH AVE

Unknown

Over: I 25 ML

70TH BTWN 76 AND 36 INTCH, Adams, CO

Built 1991 ADT: 235,000

I76 EB RAMP TO I25

Unknown

Over: SH 53 ML R

.4 MI W OF JCT I76 Ramp, Adams, CO

Built 1993 ADT: 14,000

W 62nd Ave

Unknown

Over: I 76 ML

1 MI W OF JCT I25 & I-70, Adams, CO

Built 1992 ADT: 86,000

I 76 ML WBND

Unknown

Over: US 85 ML NBND

I76 & US 85C JCT, Adams, CO

Built 1990 ADT: 37,000

BUCKLEY ROAD

Unknown

Over: I 76 ML, BNSF RR

BUCKLEY RD @ I76 and BN, Adams, CO

Built 1994 ADT: 7,521

136TH AVE

Unknown

Over: I 76 ML

136TH AVE OVER I76 ML, Adams, CO

Built 1994 ADT: 43,000

I 76 ML EBND

Unknown

Over: 144TH AVE

2.8 MI. W. OF JCT SH 7, Adams, CO

Built 1994

I 76 ML WBND

Unknown

Over: 144TH AVE

2.8 Mi W of SH-7, Adams, CO

Built 1994

ACCESS ROAD

Unknown

Over: RAMP TO I 25 NBND R

ESIDE OF I25-I76 INT., Adams, CO

Built 1993 ADT: 10,000

US 36 EBND ML

Unknown

Over: I 25 ML,RAMPS,HOV LANES

INT. 36 and I25, Adams, CO

Built 1994 ADT: 237,900

I76 EB ML

Unknown

Over: I76 WB ON RAMP FROM I270

NE OF JCT I25, Adams, CO

Built 2003 ADT: 41,600

I76 WB ML

Unknown

Over: I76 EB ON RAMP FROM I270

NE OF JCT I25, Adams, CO

Built 2003 ADT: 41,600

I76 ONRMP FROM 270

Unknown

Over: I270B RAMP TO I76 WB

NE OF JCT I25, Adams, CO

Built 2003 ADT: 41,600

I 270 EBND

Unknown

Over: I76 RAMP,SH224,CLEAR CRK

1 mile East of I-25, Adams, CO

Built 1999 ADT: 14,700

I 270 EBND ML

Unknown

Over: I25NB/I25HOV/WB I 270

SBND I25 & EBND I270, Adams, CO

Built 2009 ADT: 28,450

270SB _76EB RMP Y

Unknown

Over: I76,RMPS,SH224,CLR.CRK.

SH 270 and I76, Adams, CO

Built 2010 ADT: 90,803

US 36 WBND ML

Unknown

Over: I 25 ML,RAMPS,HOV LANES

INT. 36 and I 25, Adams, CO

Built 1998 ADT: 157,700

RAMP TO US 36 WB

Unknown

Over: I 25 SBML, HOV lanes

RAMP R OVER I 25, Adams, CO

Built 1998 ADT: 122,000

I270 WBND ML

Unknown

Over: I76 RAMP,SH224,CLEAR CRK

I25/US36 HOV PHASE II, Adams, CO

Built 1998 ADT: 11,700

I76 ML EBND

Unknown

Over: I 270 ML

1.1 MI NE OF JCT I25, Adams, CO

Built 2003 ADT: 83,000

I76 ML WBND

Unknown

Over: I 270 ML

1.1 MI NE OF JCT I25, Adams, CO

Built 2003 ADT: 83,000

SH 53 ML

Unknown

Over: I 25 ML

58TH AVE OVER I25, Adams, CO

Built 1992 ADT: 192,000

RAMP TO I 70 EBND

Unknown

Over: RAMP TO PENA BLVD NBND R

JUST E OF CHAMBERS ROAD, Adams, CO

Built 1993 ADT: 80,100

PENA BLVD NBND RMP

Unknown

Over: I 70 ML

.8 MI E OF CHAMBERS ROAD, Adams, CO

Built 1993 ADT: 43,966

PENA BLVD NBND RMP

Unknown

Over: AIRPORT BLVD SBND

PENA BLVD OVER I70 ML, Adams, CO

Built 1993 ADT: 43,966

PENA BLVD SBND RMP

Unknown

Over: RMP TO I70 WB ML

PENA BLVD OVER AIRPORT RD, Adams, CO

Built 1993 ADT: 9,400

I 225 ML SBND

Unknown

Over: I 70 ML

DENVER, Adams, CO

Built 1994 ADT: 150,000

SH 2 ML

Unknown

Over: I 76 ML

JCT I 76,NE OF DENVER, Adams, CO

Built 1999 ADT: 27,000

120TH AVE.

Unknown

Over: I76 ML/BNSF/CANAL/AC RD

120TH AVE. OVER I76, Adams, CO

Built 2002 ADT: 17,989

I 225 NB RAMP

Unknown

Over: I 70 ML

DENVER, Adams, CO

Built 1997 ADT: 146,300

SH 44 ML WBND

Unknown

Over: I 76 ML

104TH AVE OVER I76, Adams, CO

Built 1996 ADT: 27,000

I 270 ML

Unknown

Over: US 6 ML

COMMERCE CITY, Adams, CO

Built 2000 ADT: 40,000

SH 128 ML/120TH AV

Unknown

Over: I 25 ML

1.8 MI E OF JCT US 287, Adams, CO

Built 2006 ADT: 137,000

SH 2 ML SBND

Unknown

Over: US 6 ML

IN COMMERCE CITY, Adams, CO

Built 2005 ADT: 18,000

COUNTY ROAD

Unknown

Over: I 76 ML

LOCHBUIE INTERCHANGE, Adams, CO

Built 1981 ADT: 13,747

SH 7 aka Bridge ST

Unknown

Over: I 76 ML

4.41 MI E JCT SH 51-BRIGH, Adams, CO

Built 1986 ADT: 20,000

26th Avenue

Unknown

Over: E-470

21.43 MI FROM I25, Adams, CO

Built 1997 ADT: 29,000

48th Avenue-Future

Unknown

Over: E-470

23.43 MI FROM I25, Adams, CO

Built 1997 ADT: 29,000

56th Avenue

Unknown

Over: E-470

24.44 MI FROM I25, Adams, CO

Built 1996 ADT: 1,700

64th Avenue

Unknown

Over: E-470

25.48 MI FROM I25, Adams, CO

Built 1996 ADT: 50

88th Avenue

Unknown

Over: E-470

29.39 MI FROM I25, Adams, CO

Built 1996 ADT: 43,000

96th Avenue

Unknown

Over: E-470

30.46 MI FROM I25, Adams, CO

Built 1996 ADT: 43,000

104th Avenue

Unknown

Over: E-470

31.57 MI FROM I25, Adams, CO

Built 1996 ADT: 2,900

112th Avenue

Unknown

Over: E-470

32.57 MI FROM I25, Adams, CO

Built 1996 ADT: 210

Tower Road

Unknown

Over: E-470

33.22 MI FROM I25, Adams, CO

Built 1996 ADT: 9,100

E-470 NB

Unknown

Over: 120th Avenue

34.08 MI FROM I25, Adams, CO

Built 2002

E-470 SB

Unknown

Over: 120th Avenue

34.08 MI FROM I25, Adams, CO

Built 2002 ADT: 3,575

E-470 NB

Unknown

Over: Buckley Road

34.63 MI FROM I25, Adams, CO

Built 2002 ADT: 13,497

E-470 SB

Unknown

Over: Buckley Road

34.63 MI FROM I25, Adams, CO

Built 2002 ADT: 10,480

NB E470 RAMP I76EB

Unknown

Over: BNSFRR, Cameron Drive

35.34 MI FROM I25, Adams, CO

Built 2002 ADT: 146

Showing 51-100 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.