US Bridges

I090 E over Spring Ck

Fair

Lawrence County, South Dakota · 3 SE Sd 34 N Interch · Structure no. 000000041229112

Built
1967
58 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
7,612
2024 count
Owner
State
State Highway Agency

About this bridge

I090 E over Spring Ck is a concrete continuous slab carrying I090 E over Spring Ck in Lawrence County, South Dakota. It was built in 1967, so it is 58 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 7,612 vehicles a day, roughly 17% of them trucks, projected to reach 11,738 by 2044. The structure is 93 ft (28.3 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI090 E
CrossesSpring Ck
Location3 SE Sd 34 N Interch
RouteInterstate 90
Coordinates44.4441, -103.59022
Functional classRural 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.7 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length93 ft (28.3 m)
Longest span33 ft (10 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,612 (2024)
Projected traffic11,738 by 2044
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I090 E over Spring Ck built?

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

What condition is I090 E over Spring Ck 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 January 2025.

How much traffic does I090 E over Spring Ck carry?

About 7,612 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is I090 E over Spring Ck?

The structure is 93 ft (28.3 m) long with a longest span of 33 ft (10 m) and a deck 41 ft wide.

Who owns I090 E over Spring Ck?

It is owned by the State Highway Agency.