US Bridges

I090 W over US014A

Fair

Meade County, South Dakota · Exit 30 US14A/SD34 Interc · Structure no. 000000047018428

Built
1963
62 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
182 ft
4 main spans
Daily traffic
11,255
2024 count
Owner
State
State Highway Agency

About this bridge

I090 W over US014A is a concrete continuous slab carrying I090 W over US014A in Meade County, South Dakota. It was built in 1963, so it is 62 years old, older than the South Dakota average of 48.9 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 11,255 vehicles a day, roughly 16% of them trucks, projected to reach 17,760 by 2044. The structure is 182 ft (55.5 m) long and 41 ft wide.

CarriesI090 W
CrossesUS014A
LocationExit 30 US14A/SD34 Interc
RouteInterstate 90
Coordinates44.41868, -103.53192
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 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 alignment7: Better than present minimum criteria
Operating rating74.7 US tons
Inventory rating44.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length182 ft (55.5 m)
Longest span48 ft (14.5 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,255 (2024)
Projected traffic17,760 by 2044
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$718,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I090 W over US014A built?

It was built in 1963, making it 62 years old in 2025.

What condition is I090 W over US014A 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 December 2023.

How much traffic does I090 W over US014A carry?

About 11,255 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is I090 W over US014A?

The structure is 182 ft (55.5 m) long with a longest span of 48 ft (14.5 m) and a deck 41 ft wide.

Who owns I090 W over US014A?

It is owned by the State Highway Agency.