US Bridges

Co. Rd. at Hatton over I-15 (SR-15) Nbl & Sbl

Fair

Millard County, Utah · 5.3 Mi.So.Meadow Interchg · Structure no. 0C 366

Built
1973
52 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
319 ft
4 main spans
Daily traffic
500
2020 count
Owner
State
State Highway Agency

About this bridge

Co. Rd. at Hatton over I-15 (SR-15) Nbl & Sbl is a steel continuous stringer/multi-beam or girder carrying Co. Rd. at Hatton over I-15 (SR-15) Nbl & Sbl in Millard County, Utah. It was built in 1973, so it is 52 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 500 vehicles a day, projected to reach 1,000 by 2040. The structure is 319 ft (97.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCo. Rd. at Hatton
CrossesI-15 (SR-15) Nbl & Sbl
Location5.3 Mi.So.Meadow Interchg
RouteCounty Highway 0
StateUtah
Coordinates38.83694, -112.47793
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.1 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length319 ft (97.3 m)
Longest span119 ft (36.4 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2020)
Projected traffic1,000 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. at Hatton over I-15 (SR-15) Nbl & Sbl built?

It was built in 1973, making it 52 years old in 2025.

What condition is Co. Rd. at Hatton over I-15 (SR-15) Nbl & Sbl in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Co. Rd. at Hatton over I-15 (SR-15) Nbl & Sbl carry?

About 500 vehicles per day (2020 count).

How long is Co. Rd. at Hatton over I-15 (SR-15) Nbl & Sbl?

The structure is 319 ft (97.3 m) long with a longest span of 119 ft (36.4 m) and a deck 34 ft wide.

Who owns Co. Rd. at Hatton over I-15 (SR-15) Nbl & Sbl?

It is owned by the State Highway Agency.