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

600 S. STREET

Unknown

Over: I-15 (SR-15) NB and SB

2.2 MI.NO.SO.BEAVER INT., Beaver, UT

Built 1970 ADT: 17,230

SR-160

Unknown

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

SOUTH BEAVER INTERCHANGE, Beaver, UT

Built 1970 ADT: 19,040

CO. RD. INTER X-RD

Unknown

Over: I-15 (SR-15) NBL AND SBL

MANDERFIELD INTERCHANGE, Beaver, UT

Built 1964 ADT: 18,030

CO.RD.NO.OF BEAVER

Unknown

Over: I-15 (SR-15) N&SBL

0.8 MI.NO.NO.BEAVER INTER, Beaver, UT

Built 1965 ADT: 18,030

CO.RD.INT. X-RD

Unknown

Over: I-15 (SR-15) NBL AND SBL

SULPHURDALE INTERCHANGE, Beaver, UT

Built 1966 ADT: 18,115

I-15 (SR-15) NBL

Unknown

Over: SR-21 BEAVER CENTER ST.

WEST SIDE OF BEAVER, Beaver, UT

Built 1970 ADT: 1,425

I-15 (SR-15) NBL

Unknown

Over: SR-160

NORTH BEAVER INTERCHANGE, Beaver, UT

Built 1970 ADT: 4,335

I-15 (SR-15) NBL

Unknown

Over: 600 NORTH STREET-BEAVER

WEST SIDE OF BEAVER, Beaver, UT

Built 1970

I-15 (SR-15) NBL

Unknown

Over: COUNTY ACCESS ROAD

5 MI. S. of Beaver, Beaver, UT

Built 1975

I-15NB (SR-15)

Unknown

Over: Co.Rd. W of MANDERFIELD

4.6 mi. N. of Beaver, Beaver, UT

Built 2013

I-15NB (SR-15)

Unknown

Over: Bull Hollow Road

5.5Mi.No. Manderfield Int, Beaver, UT

Built 2005

I-15 (SR-15) SBL

Unknown

Over: SR-21 BEAVER CENTER ST.

WEST SIDE OF BEAVER, Beaver, UT

Built 1970 ADT: 1,425

I-15 (SR-15) SBL

Unknown

Over: SR-160, INTCHG. X-ROAD

NORTH BEAVER INTERCHANGE, Beaver, UT

Built 1970 ADT: 4,335

I-15 (SR-15) SBL

Unknown

Over: 600 NORTH STREET-BEAVER

WEST SIDE OF BEAVER, Beaver, UT

Built 1970

I-15 (SR-15) SBL

Unknown

Over: COUNTY ACCESS ROAD

5 MI.SO.SO.BEAVER INTCHG., Beaver, UT

Built 1975

I-15SB (SR-15)

Unknown

Over: CO.RD.W.from MANDERFIELD

4.6 mi. north of Beaver, Beaver, UT

Built 2013

I-15SB, (SR-15)

Unknown

Over: Bull Hollow Road

5.5Mi.No.Manderfield Int., Beaver, UT

Built 2005

SR-126

Unknown

Over: I-15 (SR-15) NBL AND SBL

4200 N 2350 W, Box Elder, UT

Built 1968 ADT: 46,030

SR-102

Unknown

Over: I-84 (SR-84) EBL & W

WEST TREMONTON INTERCHG., Box Elder, UT

Built 1972 ADT: 8,670

POCATELLO VAL.CO.R

Unknown

Over: I-84 (SR-84) EBL & W

POCATELLO VALLEY INTER, Box Elder, UT

Built 1959 ADT: 8,540

I-84 (SR-84)

Unknown

Over: FARM ROAD UNDERPASS

19 MI. NORTH OF TREMONTON, Box Elder, UT

Built 1959

CO RD (CEMENT PL.)

Unknown

Over: I-15 (SR-15) NBL AND SBL

1.5 Mi N of N Brigham Int, Box Elder, UT

Built 1963 ADT: 23,555

CO RD (CALLS FORT)

Unknown

Over: I-15 (SR-15) NB AND SB

3.5 Mi No Brigham Intch, Box Elder, UT

Built 1963 ADT: 23,555

COUNTY ROAD

Unknown

Over: I-15 (SR-15) NB & SB

1 MI.SO.OF ELWOOD INTCHG., Box Elder, UT

Built 1963 ADT: 22,425

HONEYVILLE CITY ST

Unknown

Over: I-15 (SR-15) NB AND SB

0.75 MI SO HONEYVILLE INT, Box Elder, UT

Built 1963 ADT: 23,555

SR-13

Unknown

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

AT the ELWOOD INTCHG., Box Elder, UT

Built 1972 ADT: 22,425

SNOWVILLE INT.X-RD

Unknown

Over: I-84 (SR-84) EBL & W

SNOWVILLE INTERCHANGE, Box Elder, UT

Built 1972 ADT: 7,765

SR-30

Unknown

Over: I-84 (SR-84) EBL & W

W.SNOWVILLE INTERCHANGE, Box Elder, UT

Built 1970 ADT: 7,440

SR-126

Unknown

Over: US 89 SBL AND UPRR

ADJ. TO HOT SPRINGS INT., Box Elder, UT

Built 1981 ADT: 9,240

CO.RD.-INTCHG.X-RD

Unknown

Over: I-84 (SR-84)

AT THE BOTHWELL INTERCHG., Box Elder, UT

Built 1989 ADT: 8,670

COUNTY ROAD

Unknown

Over: I-84 (SR-84)

2.5 MI.NW.BOTHWELL INTCHG, Box Elder, UT

Built 1985 ADT: 8,610

CO.RD.-INTCHG.X-RD

Unknown

Over: I-84 (SR-84)

AT WHITES VALLEY INTCHG., Box Elder, UT

Built 1985 ADT: 8,225

SR-13

Unknown

Over: MALAD RIVER & CO. ROAD

EAST OF GARLAND, Box Elder, UT

Built 1985

COUNTY ROAD

Unknown

Over: I-15 (SR-15)

4.1 MI.NO.RIVERSIDE INT., Box Elder, UT

Built 1989 ADT: 10,890

US-91 (SR-91)

Unknown

Over: TOWN ROAD,INTCHG.X-ROAD

MANTUA INTERCHANGE, Box Elder, UT

Built 1995

FOREST ST.INT.X-RD

Unknown

Over: I-15 (SR-15) NBL AND SBL

FOREST ST.INT.W. BRIGHAM, Box Elder, UT

Built 1995 ADT: 26,435

5TH WEST STREET

Unknown

Over: SR-13

NORTH SIDE BRIGHAM CITY, Box Elder, UT

Built 1997 ADT: 4,590

I-15 (SR-15) NBL

Unknown

Over: SR-13 AND UPRR

NORTH BRIGHAM INTERCHANGE, Box Elder, UT

Built 1967 ADT: 5,330

I-15 (SR-15) NBL

Unknown

Over: HOT SPRINGS LANE AND U

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

Built 1976 ADT: 327

SR-90, EBL RAMP

Unknown

Over: US-91 (SR-91) NBL &

1.5 MI.EAST BRIGHAM CITY, Box Elder, UT

Built 1971 ADT: 18,515

I-15 (SR-15) NBL

Unknown

Over: NERVA LANE (COUNTY ROAD)

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

Built 1976

I-15 (SR-15) NBL

Unknown

Over: COUNTY ROAD

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

Built 1972

I-15 (SR-15) NBL

Unknown

Over: CO.RD.(IOWA STRING RD)

SOUTH TREMONTON, Box Elder, UT

Built 1972 ADT: 1,399

I-15 (SR-15) NBL

Unknown

Over: CANNERY RD.(CITY STREET)

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

Built 1976

I-15 (SR-15) NBL

Unknown

Over: SR-315 TO WILLARD BAY

At the Willard Interchang, Box Elder, UT

Built 1976 ADT: 2,820

I-15 (SR-15) NBL

Unknown

Over: COUNTY ROAD & UPRR

SOUTH TREMONTON, Box Elder, UT

Built 1972

I-15 (SR-15) NBL

Unknown

Over: BRONSON LANE (CO.RD.)

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

Built 1976

I-15 (SR-15) NBL

Unknown

Over: WASHAKIE LN.24000 No.Rd.

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

Built 1976

I-15 (SR-15) NBL

Unknown

Over: PORTAGE INTCHG.X-ROAD

PORTAGE INTERCHANGE, Box Elder, UT

Built 1976

I-15 (SR-15) NBL

Unknown

Over: SR-30

RIVERSIDE INTERCHANGE, Box Elder, UT

Built 1989 ADT: 3,140

Showing 1-50 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.