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-15 (SR-15) NBL

Unknown

Over: CO. RD. TO NUCOR & SR-13

PLYMOUTH INTERCHANGE, Box Elder, UT

Built 1989 ADT: 1,110

I-15 (SR-15) NBL

Unknown

Over: SR-102, MAIN STREET

WEST OF TREMONTON, Box Elder, UT

Built 1990 ADT: 7,440

I-15 (SR-15) NBL

Unknown

Over: COUNTY RD.,INTCHG.X-ROAD

GARLAND INTERCHANGE, Box Elder, UT

Built 1990

RP.,I84EB TO I15NB

Unknown

Over: I-84 (SR-84)

I-15,I-84 INT.@ TREMONTON, Box Elder, UT

Built 1990 ADT: 10,525

I-15NB, (SR-15)

Unknown

Over: 13600 NORTH STREET

2 MI. NO. of GARLAND INT., Box Elder, UT

Built 1989

I-84 (SR-84) EBL

Unknown

Over: BLUE CREEK INT. X-RD.

20 MI.NORTH OF TREMONTON, Box Elder, UT

Built 1959

I-84 (SR-84) EBL

Unknown

Over: SR-83

HOWELL JCT INTERCHANGE, Box Elder, UT

Built 1959 ADT: 309

I-84 (SR-84) EBL

Unknown

Over: EAST SNOWVILLE INT.X-RD.

4.7 MILES EAST SNOWVILLE, Box Elder, UT

Built 1960

I-84 (SR-84) EBL

Unknown

Over: Frankems Farm Rd

6.8 MI SE of Snowville, Box Elder, UT

Built 1960

I-84 (SR-84) EBL

Unknown

Over: CO.RD.(IOWA STRING RD)

SOUTH TREMONTON, Box Elder, UT

Built 1972 ADT: 1,399

I-84 (SR-84) EBL

Unknown

Over: HANSEL VALLEY INT.X-RD.

8.6 MILES SE OF SNOWVILLE, Box Elder, UT

Built 1969

I-84 (SR-84) EBL

Unknown

Over: E.RATTLESNAKE INT.X-RD.

10 MILES SE.of SNOWVILLE, Box Elder, UT

Built 1969

I-84 (SR-84) EBL

Unknown

Over: CURLEW CREEK & CO.RD

WEST OF SNOWVILLE INTCHG., Box Elder, UT

Built 1972

I-15 (SR-15) SBL

Unknown

Over: SR-13 AND UPRR

NORTH BRIGHAM INTERCHANGE, Box Elder, UT

Built 1967 ADT: 8,215

I-15 (SR-15) SBL

Unknown

Over: HOT SPRINGS LN.& ABD

0.8 MI.NO.HOT SPRINGS INT, Box Elder, UT

Built 1976 ADT: 327

I-15 (SR-15) SBL

Unknown

Over: NERVA LANE (COUNTY ROAD)

1.9 MI.NO.HOT SPRINGS INT, Box Elder, UT

Built 1976

I-15 (SR-15) SBL

Unknown

Over: COUNTY RD., 100 East

2.3 MI.NW.ELWOOD INTCHG., Box Elder, UT

Built 1972 ADT: 138

I-15 (SR-15) SBL

Unknown

Over: CANNERY RD (CITY STREET)

1.5 Mi. N. Willard Intch, Box Elder, UT

Built 1976

I-15 (SR-15) SBL

Unknown

Over: SR-315 TO WILLARD BAY

Willard Interchange, Box Elder, UT

Built 1976 ADT: 2,820

I-15 (SR-15) SBL

Unknown

Over: COUNTY ROAD AND UPRR

SOUTH TREMONTON, Box Elder, UT

Built 1972

I-15 (SR-15) SBL

Unknown

Over: BRONSON LANE (CO RD)

5 MI.SO.of PORTAGE INTCHG, Box Elder, UT

Built 1976

I-15 (SR-15) SBL

Unknown

Over: WASHAKIE LN.24000 No.Rd.

3 MILES SO.of PORTAGE INT, Box Elder, UT

Built 1976

I-15 (SR-15) SBL

Unknown

Over: PORTAGE INTCHG.X-ROAD

PORTAGE INTERCHANGE, Box Elder, UT

Built 1976

I-15 (SR-15) SBL

Unknown

Over: SR-30

RIVERSIDE INTERCHANGE, Box Elder, UT

Built 1989 ADT: 3,140

I-15 (SR-15) SBL

Unknown

Over: CO. RD. TO NUCOR & SR-13

PLYMOUTH INTERCHANGE, Box Elder, UT

Built 1989 ADT: 1,110

I-15 (SR-15) SBL

Unknown

Over: SR-102

WEST OF TREMONTON, Box Elder, UT

Built 1990 ADT: 7,440

I-15 (SR-15) SBL

Unknown

Over: CO.RD,IOWA STRING ROAD)

I-15, I-84 INT.TREMONTON, Box Elder, UT

Built 1990 ADT: 2,459

I-15 (SR-15) SBL

Unknown

Over: COUNTY RD.,INTCHG.X-ROAD

GARLAND INTERCHANGE, Box Elder, UT

Built 1990

I-15 (SR-15) SBL

Unknown

Over: I-84 (SR-84)

I-15, I-84 INT.-TREMONTON, Box Elder, UT

Built 1990 ADT: 10,525

I-15 (SR-15) SB

Unknown

Over: 13600 NORTH ST.

2 MI. NO. of GARLAND INT., Box Elder, UT

Built 1989

I-84 (SR-84) WBL

Unknown

Over: BLUE CREEK INT.X-RD.

20 MI.NORTH of TREMONTON, Box Elder, UT

Built 1959

I-84 (SR-84) WBL

Unknown

Over: SR-83

HOWELL JCT INTERCHANGE, Box Elder, UT

Built 1959 ADT: 309

I-84 (SR-84) WBL

Unknown

Over: EAST SNOWVILLE INT X-RD

4.7 MILES EAST SNOWVILLE, Box Elder, UT

Built 1960

I-84 (SR-84) WBL

Unknown

Over: Frankems Farm Rd

6.8 MI SE of Snowville, Box Elder, UT

Built 1960

I-84 (SR-84) WBL

Unknown

Over: HANSEL VALLEY INT X-RD

8.6 MILES SE OF SNOWVILLE, Box Elder, UT

Built 1969

I-84 (SR-84) WBL

Unknown

Over: E.RATTLESNAKE INT.X-RD.

10 MILES SE.of SNOWVILLE, Box Elder, UT

Built 1969

I-84 (SR-84) WBL

Unknown

Over: CURLEW CREEK AND CO.RD

WEST OF SNOWVILLE INTCHG., Box Elder, UT

Built 1972

SR-55

Unknown

Over: CITY STREET AND UPRR

WEST SIDE OF PRICE, Carbon, UT

Built 1979 ADT: 5,200

US-6 (SR-6)

Unknown

Over: CITY STREET & UPRR

AT THE EAST PRICE INTCHG., Carbon, UT

Built 1982

US-6 (SR-6)

Unknown

Over: NO.MAIN ST.in HELPER

No. Main Street Overpass, Carbon, UT

Built 2005 ADT: 2,545

US-6 (SR-6)

Unknown

Over: SR-10

SOUTH SIDE OF PRICE CITY, Carbon, UT

Built 1982 ADT: 9,000

US-6 (SR-6)

Unknown

Over: SR-55,WEST PRICE CONN.

WEST PRICE INTERCHANGE, Carbon, UT

Built 1982 ADT: 12,495

US-6 (SR-6)

Unknown

Over: SR-55

AT THE EAST PRICE INTCHG, Carbon, UT

Built 1985 ADT: 7,900

US-6 (SR-6) EBL

Unknown

Over: PRICE RIVER & CO. RO

3 MILES SOUTH OF HELPER, Carbon, UT

Built 1978

US-6 (SR-6) EBL

Unknown

Over: COUNTY ACCESS ROAD

4.5 MI.NORTHWEST OF PRICE, Carbon, UT

Built 1978 ADT: 5,888

US-6 (SR-6) WBL

Unknown

Over: PRICE RIVER & CO. RD.

3 MILES S. OF HELPER, Carbon, UT

Built 1978

US-6 (SR-6) WBL

Unknown

Over: COUNTY ACCESS ROAD

4.5 MI NW OF PRICE, Carbon, UT

Built 1978 ADT: 5,888

GLOVER'S LANE

Unknown

Over: I-15 (SR-15), UPRR &

200 W.GLOVERS LN.FARMINGT, Davis, UT

Built 1973 ADT: 136,730

STATE STREET

Unknown

Over: I-15,(SR-15),UPRR &

WEST STATE ST.FARMINGTON, Davis, UT

Built 1973 ADT: 126,805

SR-109,GENTILE ST.

Unknown

Over: I-15 (SR-15) NBL & S

GENTILE ST IN LAYTON, Davis, UT

Built 1966 ADT: 115,250

Showing 51-100 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.