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

Data updated May 2026

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%.

Condition Distribution

Utah23.6%73%GoodFairPoor (structurally deficient)
Bridge inventory deck-condition mix - Utah (FHWA NBI)

Counties (29)

Beaver 53 Box Elder 184 Cache 95 Carbon 73 Daggett 13 Davis 139 Duchesne 84 Emery 126 Garfield 94 Grand 121 Iron 70 Juab 60 Kane 29 Millard 72 Morgan 53 Piute 19 Rich 20 Salt Lake 659 San Juan 50 Sanpete 52 Sevier 157 Summit 138 Tooele 35 Uintah 92 Utah 271 Wasatch 32 Washington 177 Wayne 29 Weber 129

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.

AZ

Arizona

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

GA

Georgia

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

UT

Utah

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

VT

Vermont

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

FL

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.

COUNTY ROAD

Poor

Over: CENTRAL UTAH CANAL

2 MILES SW. OF LEAMINGTON, Millard, UT

Built 1935 Load: 1.3 t ADT: 38

NAVAJO TRAIL

Poor

Over: BEAVER RIVER

0.5 MILE SW. OF BEAVER GC, Beaver, UT

Built 1935 Load: 1.9 t ADT: 100

COUNTY ROAD

Poor

Over: DUCHESNE RIVER

IN HANNA, Duchesne, UT

Built 1952 Load: 2.9 t ADT: 25

COUNTY ROAD

Poor

Over: BRUSH CREEK CANAL

4 MILES NORTH OF JENSEN, Uintah, UT

Built 1985 Load: 6.2 t ADT: 131

COUNTY ROAD

Structurally Deficient

Over: NORTH FORK OGDEN RIVER

1 MILE EAST OF LIBERTY, Weber, UT

Built 1972 Load: 6.2 t ADT: 2,191

15600 N.ST.,CO.RD.

Poor

Over: WEST CANAL

5800 W. 15600 N., GARLAND, Box Elder, UT

Built 1950 Load: 7.8 t ADT: 189

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

Related

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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.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.