State profile · Below median Poor share

Utah bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Utah, based on the FHWA National Bridge Inventory.

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

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition 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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. 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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Utah

I-15 (SR-15) SBL

Unknown

Over: SR-54, INTCHG. X-ROAD

MONA INTERCHANGE, Juab, UT

Built 1974 ADT: 1,225

I-15 (SR-15) SBL

Unknown

Over: CO. RD. NEAR STEEL RANCH

5.4 MI.NO. OF MONA INTCHG, Juab, UT

Built 1974

I-15 (SR-15) SBL

Unknown

Over: SR-28, INTCHG. X-RD

SOUTH NEPHI INTERCHANGE, Juab, UT

Built 1983 ADT: 4,535

I-15 (SR-15) SBL

Unknown

Over: SR-132, INTCHG. X-ROAD

EAST SIDE OF NEPHI, Juab, UT

Built 1982 ADT: 3,270

I-15 (SR-15) SBL

Unknown

Over: COUNTY ROAD

.5 MI.SO.SO.NEPHI INTCHG., Juab, UT

Built 1984 ADT: 205

I-15 (SR-15) SBL

Unknown

Over: COUNTY RD.TO SAGE VALLEY

6 MI.NO.MILLS JCT.INTCHG., Juab, UT

Built 1984

I-15 (SR-15) SBL

Unknown

Over: CNTY.RD. AND DRNG CNL

12 MI.NO.MILLS JCT.INTCHG, Juab, UT

Built 1984

I-15 (SR-15) SBL

Unknown

Over: SR-78, INTCHG. X-ROAD

AT MILLS JCT. INTERCHANGE, Juab, UT

Built 1985 ADT: 680

I-15 (SR-15) SBL

Unknown

Over: COUNTY RD.TO WIDE CANYON

10 MI.NO.MILLS JCT.INTCHG, Juab, UT

Built 1984

I-15 (SR-15) SBL

Unknown

Over: 700 NORTH STREET, NEPHI

NE. SIDE OF NEPHI, Juab, UT

Built 1982 ADT: 1,021

I-15 (SR-15) SBL

Unknown

Over: COUNTY RD.TO LAMPSON CY.

8 MI.NO.MILLS JCT.INTCHG., Juab, UT

Built 1984

CO. RD. AT HATTON

Unknown

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

5.3 MI.SO.MEADOW INTERCHG, Millard, UT

Built 1973 ADT: 12,635

CO.RD.SO.OF MEADOW

Unknown

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

1.9 MI.SO.MEADOW INTERCHG, Millard, UT

Built 1973 ADT: 12,635

SR-100

Unknown

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

WEST SIDE OF FILLMORE, Millard, UT

Built 1972 ADT: 18,585

SR-99,INT.X-RD.

Unknown

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

SO.FILLMORE INTERCHANGE, Millard, UT

Built 1972 ADT: 18,795

200 SOUTH STREET

Unknown

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

WEST SIDE OF FILLMORE, Millard, UT

Built 1972 ADT: 18,585

WILD GOOSE RD.-CO.

Unknown

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

2.3 NO.OF SO. HOLDEN INT., Millard, UT

Built 1976 ADT: 13,330

CO.RD.,INT.X-ROAD.

Unknown

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

AT SCIPIO SUMMIT INTCHG., Millard, UT

Built 1978 ADT: 13,305

US-50 (SR-50)

Unknown

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

AT SCIPIO INTERCHANGE, Millard, UT

Built 1985 ADT: 14,385

SR-161,INT.X-RD

Unknown

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

NORTH COVE FORT INTERCHG, Millard, UT

Built 1966 ADT: 13,620

I-15 (SR-15)NB&SB

Unknown

Over: COUNTY ROAD

3.5 MILES NORTH of SCIPIO, Millard, UT

Built 1987

HORSE HOLLOW TRAIL

Unknown

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

1.8 MI SO KANOSH INTERCHG, Millard, UT

Built 1973 ADT: 16,950

US-6 (SR-6)

Unknown

Over: UPRR & CITY STREET

WEST SIDE OF DELTA, Millard, UT

Built 1973

200 SO.ST.-HOLDEN

Unknown

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

EAST SIDE OF HOLDEN, Millard, UT

Built 1976 ADT: 13,330

US-50 (SR-50)

Unknown

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

NORTH HOLDEN INTERCHANGE, Millard, UT

Built 1976 ADT: 13,330

SR-64,INT.X-RD.

Unknown

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

SOUTH HOLDEN INTERCHANGE, Millard, UT

Built 1976 ADT: 13,635

I-15 (SR-15) NBL

Unknown

Over: CO. RD. INTER X-ROAD

DOG VALLEY INTERCHANGE, Millard, UT

Built 1966

I-15 (SR-15) NBL

Unknown

Over: SR-99, INTCHG. X-ROAD

NO.FILLMORE INTERCHANGE, Millard, UT

Built 1972 ADT: 2,480

I-15 (SR-15) NBL

Unknown

Over: CO. RD., SOUTH OF HATTON

4.6 MI.NO.KANOSH INTERCHG, Millard, UT

Built 1973

I-15 (SR-15) NBL

Unknown

Over: SR-133, INTCHG. X-ROAD

MEADOW INTERCHANGE, Millard, UT

Built 1972 ADT: 875

I-15 (SR-15) NBL

Unknown

Over: CO. RD. WEST FROM MEADOW

0.7 MI.SO.MEADOW INTERCHG, Millard, UT

Built 1973

I-15 (SR-15) NBL

Unknown

Over: COUNTY ROAD

4.8 MI.NO.NO.HOLDEN INTER, Millard, UT

Built 1978

I-15 (SR-15) NBL

Unknown

Over: CO. RD. INTER X-ROAD

KANOSH INTERCHANGE, Millard, UT

Built 1972

I-70 (SR-70) EBL

Unknown

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

COVE FORT INTERCHANGE, Millard, UT

Built 1966 ADT: 18,015

I-70 (SR-70) EBL

Unknown

Over: SR-161, INTCHG. X-ROAD

SR-161 INT. AT COVE FORT, Millard, UT

Built 1973 ADT: 195

I-15 (SR-15) SBL

Unknown

Over: SR-99, INTCHG. X-ROAD

NORTH FILLMORE INTCHG., Millard, UT

Built 1972 ADT: 2,480

I-15 (SR-15) SBL

Unknown

Over: CO. RD., W. FROM KANOSH

4.6 MI.NO.KANOSH INTERCHG, Millard, UT

Built 1973

I-15 (SR-15) SBL

Unknown

Over: SR-133, INTCHG. X-ROAD

MEADOW INTERCHANGE, Millard, UT

Built 1972 ADT: 875

I-15 (SR-15) SBL

Unknown

Over: CO. RD. WEST FROM MEADOW

0.7 MI.SO.MEADOW INTERCHG, Millard, UT

Built 1973

I-15 (SR-15) SBL

Unknown

Over: COUNTY ROAD

4.8 MI.NO.NO.HOLDEN INT., Millard, UT

Built 1978

I-15 (SR-15) SBL

Unknown

Over: CO. RD. INTER X-ROAD

KANOSH INTERCHANGE, Millard, UT

Built 1972

I-70 (SR-70) WBL

Unknown

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

COVE FORT INTERCHANGE, Millard, UT

Built 1973 ADT: 18,015

I-70 (SR-70) WBL

Unknown

Over: SR-161, INTCHG. X-ROAD

SR-161 INT. AT COVE FT., Millard, UT

Built 1973 ADT: 195

I-15 SB

Unknown

Over: Dog Valley Access Rd

I-15 SB over Dog Valley, Millard, UT

Built 2022 ADT: 500

COUNTY ROAD

Unknown

Over: I-84 (SR-84) and UPRR

STODDARD 2 MI.W.OF MORGAN, Morgan, UT

Built 1964 ADT: 11,655

I-84 (SR-84)

Unknown

Over: CO. ROAD TO DEVILS SLIDE

DEVILS SLIDE INTERCHANGE, Morgan, UT

Built 1973

I-84 (SR-84) EBL

Unknown

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

ROUND VALLEY INTERCHANGE, Morgan, UT

Built 1960

I-84 (SR-84) EBL

Unknown

Over: SR-66, INTCHG. X-ROAD

EAST MORGAN INTERCHANGE, Morgan, UT

Built 1962 ADT: 365

I-84 (SR-84) EBL

Unknown

Over: SR-66, INTCHG. X-ROAD

WEST MORGAN INTERCHANGE, Morgan, UT

Built 1962 ADT: 2,660

I-84 (SR-84) EBL

Unknown

Over: MORGAN FARM ROAD

1.1 MI W MORGAN INTCHG, Morgan, UT

Built 1962

Showing 251-300 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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.