US Bridges

Parowan City St. over Parowan Creek

GoodPosted for load

Iron County, Utah · South End Parowan Main ST · Structure no. 021009D

Built
1950
75 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
63
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Parowan City St. over Parowan Creek is a concrete slab carrying Parowan City St. over Parowan Creek in Iron County, Utah. It was built in 1950, so it is 75 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 63 vehicles a day, projected to reach 77 by 2030. The structure is 26 ft (7.9 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesParowan City St.
CrossesParowan Creek
LocationSouth End Parowan Main ST
RouteCity Street 0
CountyIron County
StateUtah
Coordinates37.83745, -112.8273
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2010)
Projected traffic77 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Parowan City St. over Parowan Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Parowan City St. over Parowan Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Parowan City St. over Parowan Creek carry?

About 63 vehicles per day (2010 count).

How long is Parowan City St. over Parowan Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 12 ft wide.

Who owns Parowan City St. over Parowan Creek?

It is owned by the City or Municipal Highway Agency.