US Bridges

300 East Street over Box Elder Creek

FairPosted for load

Box Elder County, Utah · 300 N. 300 E.Brigham City · Structure no. 003064D

Built
1930
95 years old, rebuilt 1950
Condition
Fair
inspected November 2023
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
693
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

300 East Street over Box Elder Creek is a concrete frame carrying 300 East Street over Box Elder Creek in Box Elder County, Utah. It was built in 1930 and reconstructed in 1950, so it is 95 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 693 vehicles a day, roughly 1% of them trucks, projected to reach 842 by 2030. The structure is 26 ft (7.9 m) long and 98 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries300 East Street
CrossesBox Elder Creek
Location300 N. 300 E.Brigham City
RouteCity Street 0
StateUtah
Coordinates41.51669, -112.01086
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span24 ft (7.2 m)
Deck width98 ft (29.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic693 (2010)
Projected traffic842 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 300 East Street over Box Elder Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1950.

What condition is 300 East Street over Box Elder Creek 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 November 2023.

How much traffic does 300 East Street over Box Elder Creek carry?

About 693 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is 300 East Street over Box Elder Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.2 m) and a deck 98 ft wide.

Who owns 300 East Street over Box Elder Creek?

It is owned by the City or Municipal Highway Agency.