US Bridges

I-15(SR-15)NBANDSB over Layton Pump Intake Chan.

Fair

Weber County, Utah · 0.4 No.Of 20th St.Intchg. · Structure no. 0E1456

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
78,045
2014 count
Owner
State
State Highway Agency

About this bridge

I-15(SR-15)NBANDSB over Layton Pump Intake Chan. is a concrete continuous culvert carrying I-15(SR-15)NBANDSB over Layton Pump Intake Chan. in Weber County, Utah. It was built in 1968, so it is 57 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 78,045 vehicles a day, roughly 34% of them trucks, projected to reach 97,557 by 2034. The structure is 35 ft (10.8 m) long and 180 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-15(SR-15)NBANDSB
CrossesLayton Pump Intake Chan.
Location0.4 No.Of 20th St.Intchg.
RouteInterstate 15
CountyWeber County
StateUtah
Coordinates41.23361, -112.01306
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating64.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length35 ft (10.8 m)
Longest span16 ft (5 m)
Deck width180 ft (54.9 m)
Roadway width152 ft (46.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,045 (2014)
Projected traffic97,557 by 2034
Trucks34%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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 I-15(SR-15)NBANDSB over Layton Pump Intake Chan. built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-15(SR-15)NBANDSB over Layton Pump Intake Chan. 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 August 2023.

How much traffic does I-15(SR-15)NBANDSB over Layton Pump Intake Chan. carry?

About 78,045 vehicles per day (2014 count), of which roughly 34% are trucks.

How long is I-15(SR-15)NBANDSB over Layton Pump Intake Chan.?

The structure is 35 ft (10.8 m) long with a longest span of 16 ft (5 m) and a deck 180 ft wide.

Who owns I-15(SR-15)NBANDSB over Layton Pump Intake Chan.?

It is owned by the State Highway Agency.