US Bridges

I-84 (SR-84) Wbl over 4400 South Street

Poor

Weber County, Utah · 4400 So. in Riverdale · Structure no. 4D 754

Built
1967
58 years old
Condition
Poor
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
22,044
2023 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) Wbl over 4400 South Street is a concrete continuous tee beam carrying I-84 (SR-84) Wbl over 4400 South Street in Weber County, Utah. It was built in 1967, so it is 58 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 22,044 vehicles a day, roughly 27% of them trucks, projected to reach 26,453 by 2043. The structure is 101 ft (30.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-84 (SR-84) Wbl
Crosses4400 South Street
Location4400 So. in Riverdale
RouteInterstate 84
CountyWeber County
StateUtah
Coordinates41.18278, -112.01083
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 22 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length101 ft (30.8 m)
Longest span39 ft (11.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,044 (2023)
Projected traffic26,453 by 2043
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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-84 (SR-84) Wbl over 4400 South Street built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-84 (SR-84) Wbl over 4400 South Street in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does I-84 (SR-84) Wbl over 4400 South Street carry?

About 22,044 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is I-84 (SR-84) Wbl over 4400 South Street?

The structure is 101 ft (30.8 m) long with a longest span of 39 ft (11.9 m) and a deck 39 ft wide.

Who owns I-84 (SR-84) Wbl over 4400 South Street?

It is owned by the State Highway Agency.