Total Bridges
8,965
Public highway bridges in Colorado
State profile · Below national median SD
Colorado bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Colorado — drawn straight from the FHWA National Bridge Inventory.
- 8,965
- Public bridges
- 32.0%
- Good condition
- 4.3%
- Poor condition
- 4.3%
- Structurally deficient
Good Condition
32.0%
2,865 bridges rated 7-9
-18.0pp vs 50% benchmark
Poor Condition
4.3%
387 bridges rated 0-4
Structurally Deficient
4.3%
387 bridges flagged for repair priority
-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 — Structurally deficient share 14.4%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — Colorado (FHWA NBI)
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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. 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 composite NBI rating. Each is inspected at least every 24 months.
County Road 59
Structurally DeficientOver: N. Sterling Outlet Canal
0.3 Mi N of Co Rd 58, Logan, CO
Built 1940 Load: 1.4 t ADT: 6
COTTONWOOD ST
Structurally DeficientOver: NORTH CRESTONE CREEK
IN TOWN OF CRESTONE, Saguache, CO
Built 1991 Load: 2.3 t ADT: 65
CO Rd 32
Structurally DeficientOver: Feeder Ditch
0.28 MI E of Co Rd 75, Las Animas, CO
Built 1970 Load: 2.7 t ADT: 7
POTOMAC STREET
Structurally DeficientOver: OBRIAN CANAL
0.2 MILE NORTH OF SH 2, Adams, CO
Built 1940 Load: 3.8 t ADT: 190
88TH AVENUE
Structurally DeficientOver: 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
48TH AVE
UnknownOver: RR YARD/ACCESS ROAD
48TH BTWN FOX+KALAMATH, Denver, CO
Built 1978 ADT: 250
20TH STREET
UnknownOver: PLATTE STREET
20TH ST OVER PLATTE ST, Denver, CO
Built 1994 ADT: 950
8TH AVE
UnknownOver: RAILROAD AND NAVAJO ST
MARIPOSA TO VALLEJO, Denver, CO
Built 1985 ADT: 1,695
WB 6TH AVE
UnknownOver: RR AND LIPAN STREET
0.35 MI EAST OF I25, Denver, CO
Built 1958 ADT: 4,907
EB 6TH AVENUE
UnknownOver: SEMINOLE MARIPOSA LIPAN
0.35 MI E of I-25, Denver, CO
Built 1965
WB 6TH AVE
UnknownOver: SEMINOLE ROAD
0.3 MI E OF I-25, Denver, CO
Built 1958 ADT: 3,887
EVANS AVENUE
UnknownOver: SANTA FE DRIVE/RR
EVANS OVER SANTA FE, Denver, CO
Built 1972 ADT: 82,300
WB AURARIA PKWY
UnknownOver: 5TH STREET AND RAILROADS
WB AURARIA PKWY RAMP, Denver, CO
Built 1987 ADT: 500
SMITH ROAD
UnknownOver: QUEBEC STREET
0.5 MI SOUTH OF I70, Denver, CO
Built 1971 ADT: 41,747
QUEBEC STREET
UnknownOver: I-270
0.34 MI N OF JCT I-70, Denver, CO
Built 2005 ADT: 70,900
49TH AVENUE
UnknownOver: QUEBEC STREET
INTER 49TH AND QUEBEC, Denver, CO
Built 2004 ADT: 8,000
SANDOWN ROAD/ 40TH
UnknownOver: QUEBEC STREET
0.4 MI SOUTH OF I70, Denver, CO
Built 1971 ADT: 47,147
EB 49TH AVENUE
UnknownOver: SPRUCE STREET
EAST OF QUEBEC/I-270, Denver, CO
Built 2005 ADT: 250
WB 49TH AVENUE
UnknownOver: SPRUCE STREET
EAST OF QUEBEC/I-270, Denver, CO
Built 2005 ADT: 250
WEWATTA ST
UnknownOver: 20TH STREET
JUST SOUTH OF PARK AVE. W, Denver, CO
Built 2002 ADT: 23,858
BLAKE STREET
UnknownOver: 38TH STREET
BLAKE STREET OVER 38TH ST, Denver, CO
Built 2015 ADT: 669
COORS FIELD ACCESS
UnknownOver: BROADWAY
0.2 MI NORTH OF BLAKE, Denver, CO
Built 1999 ADT: 13,977
NB SPEER BLVD
UnknownOver: LITTLE RAVEN ST
0.25 MI E OF PLATTE RIVER, Denver, CO
Built 1990 ADT: 752
SB SPEER BLVD
UnknownOver: LITTLE RAVEN ST
0.25 MI E OF PLATTE RIVER, Denver, CO
Built 1990 ADT: 752
ON RAMP TO EB 6TH
UnknownOver: OFF-RAMP FROM EB 6TH AVE
S OF 6TH AVE NEAR QUIVAS, Denver, CO
Built 2002 ADT: 4,700
BANNOCK ST
UnknownOver: MISSISSIPPI AVENUE
BANNOCK AT MISSISSIPPI AV, Denver, CO
Built 1984 ADT: 14,856
SERVICE ROAD
UnknownOver: MISSISSIPPI AVENUE
BTWN BRDWY AND SANTA FE, Denver, CO
Built 1984 ADT: 14,856
UNION AVE WB
UnknownOver: I-25
UNION AVE OVER I-25, Denver, CO
Built 1992 ADT: 217,000
UNION AVE EB
UnknownOver: I-25
UNION AVE OVER I-25, Denver, CO
Built 1992 ADT: 217,000
PRIVATE ACCESS RD
UnknownOver: 15TH STREET
0.1 MI E OF LITTLE RAVEN, Denver, CO
Built 1992 ADT: 14,029
PRIVATE ACCESS RD
UnknownOver: 15TH STREET
0.1 MI E OF LITTLE RAVEN, Denver, CO
Built 1992 ADT: 14,029
ACCESS TO COORS FD
UnknownOver: 20TH STREET
0.2 MI W OF WYNKOOP, Denver, CO
Built 1994 ADT: 23,858
EB 56TH AVE
UnknownOver: PEDESTRIAN PATH
0.5 MI W OF HAVANA ST, Denver, CO
Built 1995
SB PENA BLVD
UnknownOver: GREEN VALLEY RANCH BLVD
1.0 MI NORTH OF I-70, Denver, CO
Built 1993 ADT: 12,819
NB PENA BLVD
UnknownOver: GREEN VALLEY RANCH BLVD
1.0 MI NORTH OF I-70, Denver, CO
Built 1993 ADT: 12,819
SB PENA BLVD
UnknownOver: 56TH AVENUE
1.5 MI NORTH OF I-70, Denver, CO
Built 1993 ADT: 1,464
NB PENA BLVD
UnknownOver: 56TH AVENUE
1.5 MI NORTH OF I-70, Denver, CO
Built 1993 ADT: 1,464
WB PENA BLVD
UnknownOver: TOWER ROAD
5.0 MI NORTH OF I-70, Denver, CO
Built 1992 ADT: 19,627
EB PENA BLVD
UnknownOver: TOWER ROAD
5.0 MI NORTH OF I-70, Denver, CO
Built 1992 ADT: 19,627
WB PENA BLVD
UnknownOver: GUN CLUB ROAD
2.0 MI EAST OF E-470, Denver, CO
Built 1992 ADT: 9,061
EB PENA BLVD
UnknownOver: GUN CLUB ROAD
2.0 MI EAST OF E-470, Denver, CO
Built 1992 ADT: 9,061
SB PENA BLVD
UnknownOver: JACKSON GAP ST
3.0 MI EAST OF E-470, Denver, CO
Built 1992 ADT: 15,577
NB PENA BLVD
UnknownOver: JACKSON GAP RD
3.0 MI EAST OF E-470, Denver, CO
Built 1992 ADT: 15,577
76TH AVENUE
UnknownOver: NB PENA BLVD
4.2 MI EAST OF E-470, Denver, CO
Built 1992 ADT: 25,969
QUEENSBURG ROAD
UnknownOver: SCOTTSBURG ROAD
S OF TERMINAL BLDG, Denver, CO
Built 1992 ADT: 15,325
HAUL ROAD
UnknownOver: SCOTTSBURG ROAD
S OF TERMINAL BLDG, Denver, CO
Built 2010
PENA BLVD
UnknownOver: HAUL ROAD
W TERMINAL OUTBOUND, Denver, CO
Built 2010
SE 2ND LEVEL EXIT
UnknownOver: 84TH AVENUE
SE OF EAST PARKING STRUCT, Denver, CO
Built 1993 ADT: 500
SW 2ND LEVEL ENT
UnknownOver: 84TH AVENUE
SW CORNER WEST PARKING ST, Denver, CO
Built 1993 ADT: 450
SW 4/5TH LVL PARK
UnknownOver: 84TH AVENUE
BTWN SW GARAGES, Denver, CO
Built 2007
SPEER BLVD SBND
UnknownOver: I 25 ML
IN DENVER, Denver, CO
Built 1952 ADT: 24,647
SPEER BLVD NBND
UnknownOver: I 25 ML
IN DENVER, Denver, CO
Built 1952 ADT: 23,887
US 287 ML
UnknownOver: I 70 ML
DENVER, FEDERAL BLVD., Denver, CO
Built 1965 ADT: 108,000
I 25 ML, HOV LANES
UnknownOver: RAMPS TO I 25/ I 70
IN DENVER, Denver, CO
Built 1989 ADT: 118,600
44TH AVE
UnknownOver: I 25 ML
IN DENVER, Denver, CO
Built 1988 ADT: 3,606
Showing 251-300 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 Editorial.
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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |