State profile · Below national median SD

Utah bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Utah — drawn straight from the FHWA National Bridge Inventory.

3,126
Public bridges
16.7%
Good condition
2.4%
Poor condition
2.4%
Structurally deficient

Total Bridges

3,126

Public highway bridges in Utah

Good Condition

16.7%

521 bridges rated 7-9

-33.3pp vs 50% benchmark

Poor Condition

2.4%

76 bridges rated 0-4

Structurally Deficient

2.4%

76 bridges flagged for repair priority

-4.6pp vs national avg 7.0%

Utah vs national bridge condition

Utah — Good condition share 16.7%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Utah — Structurally deficient share 8.1%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Utah 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 Utah on the same metric.

04

Arizona

1.44% top marginal rate
Structure
Progressive
Burden @ $100K
$5,640

13

Georgia

1.49% top marginal rate
Structure
Progressive
Burden @ $100K
$15,216
Selected

49

Utah

2.43% top marginal rate
Structure
Progressive
Burden @ $100K
$3,126

50

Vermont

2.62% top marginal rate
Structure
Progressive
Burden @ $100K
$2,936

12

Florida

2.75% top marginal rate
Structure
Progressive
Burden @ $100K
$12,892

Bridges Needing Most Attention in Utah

Six lowest-condition bridges in Utah, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Utah

I-70 (SR-70) WBL

Unknown

Over: SR-120, INTCHG.X-ROAD

SOUTH RICHFIELD INTCHG., Sevier, UT

Built 1988 ADT: 4,525

I-70 (SR-70) WBL

Unknown

Over: SR-120, INTCHG.X-ROAD

NORTH RICHFIELD INTCHG., Sevier, UT

Built 1988 ADT: 4,425

I-70 (SR-70) WBL

Unknown

Over: WILLOW CREEK ACCESS ROAD

2.2 MI.N.NO.RICHFIELD INT, Sevier, UT

Built 1989

I-70 (SR-70) WBL

Unknown

Over: 500 S0UTH ST. RICHFIELD

.7 MI.NO.SO.RICHFIELD INT, Sevier, UT

Built 1988

I-70 (SR-70) WBL

Unknown

Over: 300 NORTH ST. RICHFIELD

1.5 MI.N.SO.RICHFIELD INT, Sevier, UT

Built 1988

TOLL CYN.INT.X-RD

Unknown

Over: I-80 & SILVER CREEK

3.9 MI.E.SILVER CREEK INT, Summit, UT

Built 1967 ADT: 13,980

COUNTY ROAD

Unknown

Over: I-80 (SR-80) EBL and WBL

3.8 MI.NORTHEAST WANSHIP, Summit, UT

Built 1967 ADT: 12,804

COUNTY ROAD

Unknown

Over: I-80 (SR-80) EBL & WBL

6.6 MI.NORTHEAST WANSHIP, Summit, UT

Built 1967 ADT: 13,135

COUNTY ROAD

Unknown

Over: I-80 (SR-80) EBL & WBL

1.9 MILE EAST OF WANSHIP, Summit, UT

Built 1967 ADT: 13,135

US-40 (SR-40)

Unknown

Over: I-80 (SR-80)

SILVER CREEK JCT.INTCHG., Summit, UT

Built 2001 ADT: 35,285

SR-224, INT.X-RD.

Unknown

Over: I-80 (SR-80) EBL & W

KIMBALL'S JUNCTION IN, Summit, UT

Built 2000 ADT: 51,705

SUBDVN.ACCESS ROAD

Unknown

Over: SR-224,GUARDSMAN PASS

On Guardsman Pass Road, Summit, UT

Built 2008 ADT: 4,495

I-80 (SR-80)EB&amp

Unknown

Over: COUNTY ROAD INT. X-ROAD

5.5 MI WEST WYOMING LINE, Summit, UT

Built 1958

SR-280

Unknown

Over: I-80 (SR-80) EBL and WBL

COALVILLE INTERCHANGE, Summit, UT

Built 1967 ADT: 13,135

I-84 (SR-84)

Unknown

Over: SR-86, INT. X-ROAD

WEST HENEFER INTERCHANGE, Summit, UT

Built 1973 ADT: 475

Silver Summit Pkwy

Unknown

Over: US-40 (SR-40)

SILVER SUMMIT INTERCHANGE, Summit, UT

Built 1993 ADT: 28,140

CO.RD. INT. X-ROAD

Unknown

Over: I-80 (SR-80) EBL & W

CASTLE ROCK INTERCHANGE, Summit, UT

Built 1974 ADT: 14,730

I-84 (SR-84) EBL

Unknown

Over: I-80 (SR-80) EBL & W

ECHO INTERCHANGE, Summit, UT

Built 1970 ADT: 12,405

INT.X-RD.to I-80EB

Unknown

Over: I-80(SR-80) EBL & WB

1 Mile W. of Utah POE, Summit, UT

Built 1968 ADT: 14,685

US-40 (SR-40) EBL

Unknown

Over: SR-248, INTCHG. X-RD

EAST PARK CITY INTERCHG., Summit, UT

Built 1989 ADT: 16,765

I-80EB, (SR-80)

Unknown

Over: INT.X-RD@PARLEYS SUMMIT

At Parleys Summit Intchg, Summit, UT

Built 2011

I-80EB (SR-80)

Unknown

Over: SR-32

At the WANSHIP INTERCHG., Summit, UT

Built 2012 ADT: 2,083

I-80 (SR-80) EBL

Unknown

Over: ACCESS ROAD INT. X-ROAD

3.3 MI. E. of CASTLE ROCK, Summit, UT

Built 1962

I-80 (SR-80) EBL

Unknown

Over: COUNTY ROAD

HOYTSVILLE, Summit, UT

Built 1967

I-80 (SR-80) EBL

Unknown

Over: CO. RD. INTCHG. X-ROAD

JEREMY RANCH INTCHG., Summit, UT

Built 1971

I-80 (SR-80) EBL

Unknown

Over: CO.RD.AT MTN.MEADOW

.95 MI.E.OF KIMBALL JCT., Summit, UT

Built 1970

US-40 (SR-40) EBL

Unknown

Over: LOCAL COUNTY ROAD

.7 MI.SE.PARK CITY INTCHG, Summit, UT

Built 1989

I-80EB, (SR-80)

Unknown

Over: COUNTY ROAD

2 Mi. East Wanship Int., Summit, UT

Built 2006

I-80 EB, (SR-80)

Unknown

Over: COUNTY ROAD INTERCHANGE

Echo Jct. Interchange, Summit, UT

Built 2009

I-84EB near ECHO

Unknown

Over: ECHO FRONTAGE ROAD

West of town of Echo, Summit, UT

Built 2013

US-40 (SR-40)WBL

Unknown

Over: SR-248, INTCHG. X-RD

EAST PARK CITY INTERCHG., Summit, UT

Built 1989 ADT: 10,560

US-40, WB. RAMP

Unknown

Over: I-80 (SR-80) EBL

SILVER CREEK JCT. INTCHG., Summit, UT

Built 2001 ADT: 14,445

US-40, WB. RAMP

Unknown

Over: US-40 (SR-40) EBL

SILVER CREEK JCT. INTCHG., Summit, UT

Built 2001 ADT: 28,140

I-80WB, (SR-80)

Unknown

Over: INT.X-RD@PARLEYS SUMMIT

At Parleys Summit Intchg., Summit, UT

Built 2011

I-80WB (SR-80)

Unknown

Over: SR-32

At the Wanship Interchang, Summit, UT

Built 2012 ADT: 2,847

I-80 (SR-80) WBL

Unknown

Over: ACCESS ROAD INT. X-ROAD

3.3 MI.EAST CASTLE ROCK, Summit, UT

Built 1962

Ramp I-80E to I-84

Unknown

Over: I-80 & I-84 Ramp

ECHO INTCHG. RAMP, Summit, UT

Built 1970 ADT: 18,000

I-80 (SR-80) WBL

Unknown

Over: CREAMERY LANE, CO. RD.

HOYTSVILLE, Summit, UT

Built 1967

I-80 (SR-80) WBL

Unknown

Over: CO.RD. INTCHG. X-ROAD

JEREMY RANCH INTCHG., Summit, UT

Built 1971

I-80 (SR-80) WBL

Unknown

Over: CO.RD.AT MTN.MEADOW

.95 MI.E.of KIMBALL JCT., Summit, UT

Built 1970

US-40 (SR-40) WBL

Unknown

Over: LOCAL COUNTY ROAD

.7 MI.SE.PARK CITY INTCHG, Summit, UT

Built 1989

I-80, (SR-80)

Unknown

Over: COUNTY ROAD

0.6 Miles East of Wanship, Summit, UT

Built 2005

I-80 WBL, (SR-80)

Unknown

Over: CO.RD., INT.X-ROAD

Echo Jct. Interchange, Summit, UT

Built 2009

I-84WB near ECHO

Unknown

Over: ECHO FRONTAGE ROAD

West of Echo Town, Summit, UT

Built 2013

SR-65

Unknown

Over: I-84

SR-65 over I-84, Summit, UT

Built 2021 ADT: 8,600

CO.RD.,INTCHG.X-RD

Unknown

Over: I-80 (SR-80) EBL & WBL

4 MILES EAST OF WENDOVER, Tooele, UT

Built 1970 ADT: 7,255

COUNTY ROAD

Unknown

Over: I-80 (SR-80) EBL & W

LOW INTERCHANGE, Tooele, UT

Built 1959 ADT: 7,560

HARDY SALT ROAD

Unknown

Over: I-80 (SR-80) EBL & W

0.5 MI.WEST TOOELE INTCHG, Tooele, UT

Built 1971 ADT: 10,860

CO.RD.,INTCHG.X-RD

Unknown

Over: I-80 (SR-80) EBL & WBL

ARAGONITE INTERCHANGE, Tooele, UT

Built 1972 ADT: 7,485

CLIVE INT. X-ROAD

Unknown

Over: I-80 (SR-80) EBL

49 MILES EAST OF WENDOVER, Tooele, UT

Built 1971 ADT: 7,225

Showing 651-700 of 3,126 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.