Iron County, UT

70 public highway bridges

Iron County Bridge Snapshot

Iron County, Utah contains 70 public highway bridges in the FHWA National Bridge Inventory. Roughly 5.7% are rated “Good,” 47.1% “Fair,” 1.4% “Poor,” and 1.4% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in UT are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

70
Total Bridges
5.7%
Good
1.4%
Poor
1.4%
Structurally Deficient

Condition Distribution

Good
5.7% (4)
Fair
47.1% (33)
Poor
1.4% (1)
SD
1.4% (1)

All Bridges (70)

COUNTY ROAD

Fair

Over: WINN HOLLOW

1.5 MILES SW. OF SUMMIT, Iron, UT

Built 1981 Load: 33.0 t ADT: 2,109

WESTVIEW DRIVE

Fair

Over: SHURTZ WASH

1 MI.NO. OF HAMILTON FORT, Iron, UT

Built 1995 Load: 33.0 t ADT: 854

SR-14

Fair

Over: COAL CREEK

7 MILES EAST CEDAR CITY, Iron, UT

Built 1991 Load: 34.3 t ADT: 1,515

SR-14

Fair

Over: COAL CREEK

450 EAST CENTER ST. CEDAR, Iron, UT

Built 1988 Load: 35.3 t ADT: 4,315

I-15(SR-15)NB&Ramp

Fair

Over: FREMONT WASH

1.3 MI.NO.BEAR VALLEY INT, Iron, UT

Built 1956 Load: 36.0 t ADT: 25,239

3000 NORTH STREET

Fair

Over: COAL CREEK

2100 W. 3000 N., CO.RD., Iron, UT

Built 1998 Load: 38.6 t ADT: 2,088

INTS.SR56-LUND HWY

Fair

Over: COAL CREEK

1.5MI.W.of I-15,CEDAR CIT, Iron, UT

Built 2004 Load: 39.2 t

COUNTY ROAD

Fair

Over: RIGHT HAND FORK CREEK

RIGHT HAND FORK CANYON, Iron, UT

Built 1950 Load: 40.5 t ADT: 77

Aviation Way

Fair

Over: Coal Creek

SE of Cedar City Airport, Iron, UT

Built 2005 Load: 41.1 t ADT: 1,882

CITY STREET

Fair

Over: COAL CREEK

WEST SIDE OF CEDAR CITY, Iron, UT

Built 1970 Load: 42.8 t ADT: 6,720

200 EAST STREET

Fair

Over: COAL CREEK

200 E. 200 N., CEDAR CITY, Iron, UT

Built 1998 Load: 46.3 t ADT: 1,027

I-15 (SR-15)NB&SB

Fair

Over: Coal Cr. Overflow

1 Mi. N. of Exit 59, Iron, UT

Built 1968 Load: 48.0 t ADT: 35,682

I-15 (SR-15)

Fair

Over: WINN HOLLOW WASH

7.3 MI.NO.,NO.CEDAR INT., Iron, UT

Built 1970 Load: 49.6 t ADT: 30,381

4800 NORTH ST.

Fair

Over: COAL CREEK

2100 W. 4800 N., Iron, UT

Built 2010 Load: 54.1 t ADT: 4,009

Coal Creek Rd

Fair

Over: Coal Creek

940 N. 400 W., Iron, UT

Built 2016 Load: 54.4 t ADT: 5,878

PAROWAN CITY ST.

Good

Over: PAROWAN CREEK

SOUTH END PAROWAN MAIN ST, Iron, UT

Built 1950 Load: 19.4 t ADT: 63

FSR #30276

Good

Over: BUNKER CREEK

NO DATA ENTERED, Iron, UT

Built 2019 Load: 37.6 t ADT: 20

SR-14

Good

Over: MAPLE CREEK

5.7 MI EAST OF CEDAR CITY, Iron, UT

Built 1996 Load: 43.1 t ADT: 2,097

CAMPGROUND ROAD

Good

Over: CROW CREEK

NO DATA ENTERED, Iron, UT

Built 1983 Load: 43.4 t ADT: 200

NFSR 30095

Poor

Over: DUCK CREEK

NO DATA ENTERED, Iron, UT

Built 1973 Load: 24.3 t ADT: 50

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial