Total Bridges
8,965
Public highway bridges in Colorado
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
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%.
Condition Distribution
Counties (64)
Adams 535 Alamosa 16 Arapahoe 391 Archuleta 44 Baca 106 Bent 68 Boulder 311 Broomfield 66 Chaffee 84 Cheyenne 61 Clear Creek 77 Conejos 62 Costilla 39 Crowley 28 Custer 20 Delta 64 Denver 458 Dolores 28 Douglas 263 Eagle 174 El Paso 686 Elbert 85 Fremont 137 Garfield 167 Gilpin 19 Grand 88 Gunnison 100 Hinsdale 31 Huerfano 94 Jackson 47 Jefferson 464 Kiowa 31 Kit Carson 130 La Plata 102 Lake 17 Larimer 559 Las Animas 207 Lincoln 129 Logan 182 Mesa 319 Mineral 26 Moffat 80 Montezuma 61 Montrose 118 Morgan 192 Otero 195 Ouray 39 Park 55 Phillips 27 Pitkin 62 Prowers 137 Pueblo 264 Rio Blanco 54 Rio Grande 71 Routt 96 Saguache 41 San Juan 13 San Miguel 59 Sedgwick 64 Summit 57 Teller 27 Washington 75 Weld 614 Yuma 49
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.
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.
County Road 59
PoorOver: N. Sterling Outlet Canal
0.3 Mi N of Co Rd 58, Logan, CO
Built 1940 Load: 1.4 t ADT: 6
COTTONWOOD ST
PoorOver: NORTH CRESTONE CREEK
IN TOWN OF CRESTONE, Saguache, CO
Built 1991 Load: 2.3 t ADT: 65
CO Rd 32
PoorOver: Feeder Ditch
0.28 MI E of Co Rd 75, Las Animas, CO
Built 1970 Load: 2.7 t ADT: 7
POTOMAC STREET
PoorOver: OBRIAN CANAL
0.2 MILE NORTH OF SH 2, Adams, CO
Built 1940 Load: 3.8 t ADT: 190
88TH AVENUE
PoorOver: KIOWA CREEK
0.1 MI E OF WOLF CREEK RD, Adams, CO
Built 1950 Load: 4.5 t ADT: 532
IRR# CO RD 500
PoorOver: CAT CREEK
NEAR CAMADO, Archuleta, CO
Built 1927 Load: 4.7 t ADT: 36
All Bridges in Colorado
I 70 ML EBND
UnknownOver: I 25 ML & RAMPS
AT I 25 AND I 70, Denver, CO
Built 1991 ADT: 243,300
I 70 ML WBND
UnknownOver: I 25 ML AND RAMPS
AT I 25 AND I 70, Denver, CO
Built 1991 ADT: 243,300
RMP I70EB TO I25NB
UnknownOver: I 25 ML, I 70 ML,RAMPS R
DENVER, OVER MOUSETRAP, Denver, CO
Built 1992 ADT: 119,000
RAMP TO PARK AVE
UnknownOver: I 25 ML, RAMPS R
IN DENVER, Denver, CO
Built 1998 ADT: 3,000
20TH STREET
UnknownOver: I 25 ML
20TH STREET OVER I25, Denver, CO
Built 1994 ADT: 5,900
HOV RAMP
UnknownOver: I 25 NBND R
HOV RAMP OVER I25 NBND, Denver, CO
Built 1993 ADT: 2,300
I70 NB RMP,.75 MI.
UnknownOver: GLOBEVILLE RMP-NB I25
0.75 Miles South of I-70, Denver, CO
Built 1994 ADT: 10,000
RAMP TO I 70 WBND
UnknownOver: RAMP TO I 70 WBND R
MOUSETRAP IN DENVER, Denver, CO
Built 1993 ADT: 118,600
RAMP TO PARK AV R
UnknownOver: RAMP TO 38TH STREET R
IN DENVER, Denver, CO
Built 1996 ADT: 3,100
15TH STREET
UnknownOver: I 25 ML
IN DENVER, Denver, CO
Built 2011 ADT: 13,000
PECOS STREET
UnknownOver: I 70 ML
IN DENVER, Denver, CO
Built 2013 ADT: 10,000
I270 EB RMPTOI70EB
UnknownOver: I70 EB RMP TO CENT PRK
I-270 TO I-70E ON RAMP, Denver, CO
Built 2012 ADT: 800
CNTPRK RMPTOWB I70
UnknownOver: I70 WB RMP TO I270
CENT PRK RAMP TO I-70 W, Denver, CO
Built 2012 ADT: 79,000
COLUMBINE STREET
UnknownOver: I 70 ML
INT OF I70 AND COLUMBINE, Denver, CO
Built 2019 ADT: 158,000
CLAYTON STREET
UnknownOver: I 70 ML
INT OF I70 AND CLAYTON, Denver, CO
Built 2019 ADT: 158,000
FILLMORE ST.
UnknownOver: I 70 ML
900 FT W of STEELE ST, Denver, CO
Built 2020 ADT: 151,000
I70 EBND ML
UnknownOver: BRIGHTON BLVD
1.2 MI E of I25, Denver, CO
Built 2022 ADT: 8,900
JOSEPHINE ST.
UnknownOver: I 70 ML
300 FT E of YORK ST, Denver, CO
Built 2020 ADT: 151,000
MONROE STREET
UnknownOver: I 70 ML
0.1 MI W of COLO. BLVD., Denver, CO
Built 2020 ADT: 139,000
SH 2 COLO. BLVD.
UnknownOver: I70 ML
0.5 MI E of STEELE ST., Denver, CO
Built 2020 ADT: 151,000
I 70 ML WBND
UnknownOver: DAHLIA STREET
DENVER, Denver, CO
Built 2020
I 70 ML EBND
UnknownOver: DAHLIA STREET
DENVER, Denver, CO
Built 2020
I70 ML WBND
UnknownOver: HOLLY STREET
DENVER, Denver, CO
Built 2020
I 70 ML EBND
UnknownOver: HOLLY STREET
DENVER, Denver, CO
Built 2020
I70 ML WBND
UnknownOver: MONACO STREET
DENVER, Denver, CO
Built 2020
I70 ML EBND
UnknownOver: MONACO STREET
DENVER, Denver, CO
Built 2020
I 70 ML WBND
UnknownOver: SH 35 ML
DENVER, Denver, CO
Built 2020 ADT: 52,000
I 70 ML EBND
UnknownOver: SH 35 ML
DENVER, Denver, CO
Built 2020 ADT: 52,000
I 270 ML EBND
UnknownOver: I 70 ML
DENVER, Denver, CO
Built 2019 ADT: 136,000
I 70 ML EBND
UnknownOver: PEORIA STREET
1 MI E of HAVANA ST, Denver, CO
Built 2020
RMP/I25NB TO I70WB
UnknownOver: RAMP TO I-25 SBND R
IN DENVER(MOUSETRAP), Denver, CO
Built 1993 ADT: 19,920
RAMP TO I 70 EBND
UnknownOver: RAMP TO I 70 WBND R
MOUSETRAP IN DENVER, Denver, CO
Built 1993 ADT: 118,600
RAMP TO I 70 EBND
UnknownOver: I 25 ML, RAMPS R
IN DENVER, Denver, CO
Built 1993 ADT: 243,300
I 70 ML
UnknownOver: HAVANA ST, UP RR
1 MI W of PEORIA, Denver, CO
Built 2016
I 70 ML
UnknownOver: FUTURE UP RR
.04 MI W of HAVANA, Denver, CO
Built 2017
E-470 NB
UnknownOver: Pena Boulevard
27.86 MI FROM I25, Denver, CO
Built 1996 ADT: 20,000
E-470 SB
UnknownOver: Pena Boulevard
27.86 MI FROM I25, Denver, CO
Built 1996 ADT: 20,000
US 6 RAMP B
UnknownOver: I 25 ML
N SIDE OF I-25 INT DEN., Denver, CO
Built 2014
23RD AVENUE
UnknownOver: I 25 ML
IN DENVER, Denver, CO
Built 1952 ADT: 9,716
I 25 ML
UnknownOver: RAMP TO I25 SB WALNUT ST
I25, SH33, US 40 INTERCHA, Denver, CO
Built 1952 ADT: 206,300
KNOX CT
UnknownOver: US 6 ML
IN DENVER, Denver, CO
Built 2014 ADT: 4,900
PERRY STREET
UnknownOver: US 6 ML
IN DENVER, Denver, CO
Built 1964 ADT: 133,000
US 40 ML
UnknownOver: I25,RDWY,RR,S PLATTE RVR
COLFAX AVE AT I25, Denver, CO
Built 1984 ADT: 249,000
US 40 RAMP
UnknownOver: I25 ML,US40 ML,PLTE RVR
RAMP OVER I25 TO WB COLFA, Denver, CO
Built 1987 ADT: 1,750
AURARIA PKWY RAMP
UnknownOver: I25,RAMPS AND WALNUT
RAMP OVER I25 TO SB I25, Denver, CO
Built 1987 ADT: 13,000
I25 EB RAMP A PKWY
UnknownOver: STEETS, RAMPS, RTD &
EB AURARIA PKWY, Denver, CO
Built 1988 ADT: 29,000
RAMP TO I 25 NBND
UnknownOver: US 6 ML
JCT I25 + SH6 IN DENVER, Denver, CO
Built 1989 ADT: 137,000
I 25 SBND RAMP
UnknownOver: I 25 ML
JCT I25 + SH6 IN DENVER, Denver, CO
Built 1989 ADT: 142,000
US 285 ML
UnknownOver: SH 95 ML
HAMPDEN/SHERIDAN, Denver, CO
Built 1993 ADT: 30,000
SH 88-FEDERAL BLVD
UnknownOver: WB C-D ROAD
FEDERAL / 6 IN DENVER, Denver, CO
Built 2014 ADT: 124,000
Showing 301-350 of 8,965 bridges
Related
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.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
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.