US Bridges

SR-150 over Thorn Creek Diversion

Good

Summit County, Utah · Kamas Mouth of Canyon · Structure no. 0E2525

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
1,490
2014 count
Owner
State
State Highway Agency

About this bridge

SR-150 over Thorn Creek Diversion is a concrete culvert carrying SR-150 over Thorn Creek Diversion in Summit County, Utah. It was built in 2004, so it is 21 years old, younger 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.

It carries about 1,490 vehicles a day, roughly 16% of them trucks, projected to reach 1,863 by 2034. The structure is 21 ft (6.4 m) long and 45 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-150
CrossesThorn Creek Diversion
LocationKamas Mouth of Canyon
RouteState Highway 150
StateUtah
Coordinates40.64253, -111.27188
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span14 ft (4.3 m)
Deck width45 ft (13.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,490 (2014)
Projected traffic1,863 by 2034
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 SR-150 over Thorn Creek Diversion built?

It was built in 2004, making it 21 years old in 2025.

What condition is SR-150 over Thorn Creek Diversion 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 August 2024.

How much traffic does SR-150 over Thorn Creek Diversion carry?

About 1,490 vehicles per day (2014 count), of which roughly 16% are trucks.

How long is SR-150 over Thorn Creek Diversion?

The structure is 21 ft (6.4 m) long with a longest span of 14 ft (4.3 m) and a deck 45 ft wide.

Who owns SR-150 over Thorn Creek Diversion?

It is owned by the State Highway Agency.