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

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 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)

Colorado31.95761293920803%54.210819854991634%GoodFairPoorStructurally Deficient
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.

47

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426

24

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527
Selected

08

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

41

Oregon

4.46% top marginal rate
Structure
Progressive
Burden @ $100K
$8,310

39

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 composite NBI rating. Each is inspected at least every 24 months.

County Road 59

Structurally Deficient

Over: 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 Deficient

Over: NORTH CRESTONE CREEK

IN TOWN OF CRESTONE, Saguache, CO

Built 1991 Load: 2.3 t ADT: 65

CO Rd 32

Structurally Deficient

Over: Feeder Ditch

0.28 MI E of Co Rd 75, Las Animas, CO

Built 1970 Load: 2.7 t ADT: 7

POTOMAC STREET

Structurally Deficient

Over: OBRIAN CANAL

0.2 MILE NORTH OF SH 2, Adams, CO

Built 1940 Load: 3.8 t ADT: 190

88TH AVENUE

Structurally Deficient

Over: KIOWA CREEK

0.1 MI E OF WOLF CREEK RD, Adams, CO

Built 1950 Load: 4.5 t ADT: 532

IRR# CO RD 500

Poor

Over: CAT CREEK

NEAR CAMADO, Archuleta, CO

Built 1927 Load: 4.7 t ADT: 36

All Bridges in Colorado

19TH ST

Good

Over: US 6 ML

1.0 MI S of SH58, Jefferson, CO

Built 2017 Load: 38.2 t ADT: 2,000

STERNE/APACHE

Good

Over: LITTLES CREEK

.3 MI WEST OF BROADWAY, Arapahoe, CO

Built 2005 Load: 38.3 t ADT: 2,820

YORK STREET

Good

Over: GREENWAY CHANNEL

YORK ST / GRNWAY CHANNEL, Denver, CO

Built 2020 Load: 38.3 t ADT: 16,808

SH 95 ML

Good

Over: SLOAN LAKE DRAINAGE

IN DENVER, Denver, CO

Built 1982 Load: 38.3 t ADT: 31,000

EMERG. ACCESS RD

Good

Over: WEAVER CREEK

E OF APTS SW KIPLING ST, Jefferson, CO

Built 2002 Load: 38.3 t ADT: 9

PRINGLE STREET

Good

Over: ANDERSON ARROYO

1000 FEET NW OF SH 50, Otero, CO

Built 1988 Load: 38.3 t ADT: 189

SH 52 ML

Good

Over: KIOWA CREEK

9.7 MI E OF JCT SH 79, Weld, CO

Built 1992 Load: 38.3 t ADT: 650

County Road 86

Good

Over: Owl Creek

0.90 Mi E of Cr Rd 45, Weld, CO

Built 2001 Load: 38.3 t ADT: 28

I 25 ML SBND

Good

Over: ROCKRIMMON BLVD.

IN COLORADO SPGS, El Paso, CO

Built 2008 Load: 38.4 t ADT: 57,000

I 70 ML EBND

Good

Over: DRAW

34.4 MI E OF JCT SH 65, Garfield, CO

Built 1977 Load: 38.4 t ADT: 10,000

RAMP TO I 70 WBND

Good

Over: MAMM CREEK

4.5MI E OF RIFLE, Garfield, CO

Built 1977 Load: 38.4 t ADT: 721

US 40 ML

Good

Over: COLORADO RIVER

19.2 MI E OF JCT SH 9, Grand, CO

Built 1987 Load: 38.4 t ADT: 3,400

US 24 ML

Good

Over: LANDSMAN CREEK

1.3 MI W OF BETHUNE, Kit Carson, CO

Built 1998 Load: 38.4 t ADT: 1,000

County Road 46

Good

Over: Iliff Platte Valley Dtch

1.6 Mi. E of St Hwy 113, Logan, CO

Built 2002 Load: 38.4 t ADT: 155

County Road X

Good

Over: Weldon Valley Ditch

0.5 Mi E Co. Rd. 1, Morgan, CO

Built 2005 Load: 38.4 t ADT: 281

US 50 ML

Good

Over: SMITH HOLLOW

7.5 MI EAST OF FOWLER, Otero, CO

Built 1997 Load: 38.4 t ADT: 4,700

County Road 23

Good

Over: New Cache La Poudre Cana

0.6 Mi No of Co Rd 66, Weld, CO

Built 1999 Load: 38.4 t ADT: 6,932

WB MRTN LTHR KING

Good

Over: WESTERLY CREEK

JUST E OF BEELER STREET, Denver, CO

Built 2005 Load: 38.5 t ADT: 11,347

EB MRTN LTHR KING

Good

Over: WESTERLY CREEK

JUST E OF BEELER STREET, Denver, CO

Built 2005 Load: 38.5 t ADT: 9,627

SH 74 ML

Good

Over: COLD SPRING GULCH

2 MI SE OF KITTREDGE, Jefferson, CO

Built 1999 Load: 38.5 t ADT: 3,300

SH 470 ML EBND

Good

Over: KEN CARYL RD

10.2 MI E - JCT I70 + SH, Jefferson, CO

Built 1987 Load: 38.5 t ADT: 29,000

Platte Street

Good

Over: Pioneer Drainage Ditch

At 12th Avenue, Logan, CO

Built 1995 Load: 38.5 t ADT: 1,364

SH 14 ML

Good

Over: COLLINS LATERAL CANAL

3.6 MI W OF AULT, Weld, CO

Built 1957 Load: 38.5 t ADT: 8,900

120TH AVENUE

Good

Over: FULTON DITCH

0.6 MI E OF BRIGHTON RD, Adams, CO

Built 2005 Load: 38.6 t ADT: 17,487

120TH AVENUE

Good

Over: LOCAL DRAINAGE

INT OF LAREDO AND 120TH, Adams, CO

Built 2005 Load: 38.6 t ADT: 1,414

SH 44 EB

Good

Over: OBRIAN CANAL

BETWEEN SH 2 AND I76, Adams, CO

Built 2013 Load: 38.6 t ADT: 8,829

US 50 ML

Good

Over: DRAW

7.75 MI E of LAS ANIMAS, Bent, CO

Built 2022 Load: 38.6 t ADT: 2,600

County Line Road

Good

Over: Spring Gulch #2

0.20 MI N. OF E 9TH AVE, Boulder, CO

Built 2021 Load: 38.6 t ADT: 15,509

96th Street

Good

Over: Coal Creek

0.15 Mi. S. of SH42, Boulder, CO

Built 2006 Load: 38.6 t ADT: 15,821

CENTRAL PARK BLVD

Good

Over: LOCAL DRAINAGE

0.25 MI S OF 56TH AVE, Denver, CO

Built 2016 Load: 38.6 t ADT: 14,076

RAMP TO US 40 ML

Good

Over: RAMP TO US 40 ML R

N.W. CORNER OF I25/SH40, Denver, CO

Built 1988 Load: 38.6 t ADT: 49,000

OUZEL LANE

Good

Over: BRUSH CREEK

S OF BRUSH CREEK RD, Eagle, CO

Built 2002 Load: 38.6 t ADT: 601

SH 74 EBND

Good

Over: TROUBLESOME CREEK

S OF BERGEN PARK, Jefferson, CO

Built 1996 Load: 38.6 t ADT: 8,500

US 285 ML NBND

Good

Over: PIERCE STREET

1 MI W OF JCT SH 95, Jefferson, CO

Built 2010 Load: 38.6 t ADT: 27,500

US 285 ML SBND

Good

Over: PIERCE STREET

1 MI W OF JCT SH 95, Jefferson, CO

Built 2010 Load: 38.6 t ADT: 27,500

SIMMS STREET

Good

Over: NORTH COON CREEK

0.2 MI SOUTH OF BELLEVIEW, Jefferson, CO

Built 2002 Load: 38.6 t ADT: 13,889

104TH AVE

Good

Over: S. BRANCH HYLAND CREEK

.5 MI W OF SHERIDAN BLVD, Jefferson, CO

Built 1991 Load: 38.6 t ADT: 25,211

COUNTY ROAD G.7

Good

Over: GOVT HIGHLINE CANAL

.3 MI W OF RD 36.3, Mesa, CO

Built 2001 Load: 38.6 t ADT: 193

County Road 28

Good

Over: Lower Platte Beaver Cnl

0.1 Mi No of Co Rd U.5, Morgan, CO

Built 2004 Load: 38.6 t ADT: 46

COUNTY ROAD 243

Good

Over: MUDDY CREEK

1.0 M NE OF HUCKLEBERRY, Pueblo, CO

Built 1992 Load: 38.6 t ADT: 108

Old San Isabel Rd

Good

Over: Little Saint Charles Ck

0.2 MI W Robb Rd, Pueblo, CO

Built 2009 Load: 38.6 t ADT: 100

I25 ML NBND

Good

Over: SH56 ML

7 MI N OF SH66, Weld, CO

Built 2022 Load: 38.6 t ADT: 7,400

GORE CREEK DRIVE

Good

Over: GORE CREEK

0.1 MI S OF FRONTAGE ROAD, Eagle, CO

Built 1990 Load: 38.7 t ADT: 574

I 70 ML WBND

Good

Over: CLEAR CREEK

ARVADA, Jefferson, CO

Built 1995 Load: 38.7 t ADT: 46,000

RAMP TO US 285 NBD

Good

Over: PARMALEE GULCH R

INDIAN HILLS RD INTSCTN, Jefferson, CO

Built 1993 Load: 38.7 t ADT: 13,500

IRR# COUNTY RD 516

Good

Over: DRY CREEK

5.3 MI S OF SH 160, La Plata, CO

Built 1993 Load: 38.7 t ADT: 455

NORTH STREET

Good

Over: LOS PINOS RIVER DIVERSIO

IN BAYFIELD, La Plata, CO

Built 1997 Load: 38.7 t ADT: 164

SH 71 ML

Good

Over: SOUTH PLATTE RIVER

6.2 MI N OF JCT I-76, Morgan, CO

Built 1995 Load: 38.7 t ADT: 1,300

County Road 30

Good

Over: Buck Creek

50 Ft. E. of Co. Rd. R, Washington, CO

Built 1998 Load: 38.7 t ADT: 14

COUNTY ROAD 42

Good

Over: RATTLESNAKE CREEK

.35 MI E OF CR 181, Arapahoe, CO

Built 1990 Load: 38.8 t ADT: 408

Showing 7,401-7,450 of 8,965 bridges

Related

All states → | National rankings → | Understanding conditions → | SD bridges explained →
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.