US Bridges

I090 W over Rc P&e RR

Fair

Lawrence County, South Dakota · 0.8 W Sd 34 N Interch · Structure no. 000000041200088

Built
1968
57 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
192 ft
3 main spans
Daily traffic
7,590
2024 count
Owner
State
State Highway Agency

About this bridge

I090 W over Rc P&e RR is a steel continuous stringer/multi-beam or girder carrying I090 W over Rc P&e RR in Lawrence County, South Dakota. It was built in 1968, so it is 57 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 5 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 7,590 vehicles a day, roughly 17% of them trucks, projected to reach 11,704 by 2044. The structure is 192 ft (58.5 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI090 W
CrossesRc P&e RR
Location0.8 W Sd 34 N Interch
RouteInterstate 90
CountyLawrence County
StateSouth Dakota
Coordinates44.47646, -103.65046
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
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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length192 ft (58.5 m)
Longest span73 ft (22.1 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,590 (2024)
Projected traffic11,704 by 2044
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I090 W over Rc P&e RR built?

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

What condition is I090 W over Rc P&e RR 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 February 2025.

How much traffic does I090 W over Rc P&e RR carry?

About 7,590 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is I090 W over Rc P&e RR?

The structure is 192 ft (58.5 m) long with a longest span of 73 ft (22.1 m) and a deck 41 ft wide.

Who owns I090 W over Rc P&e RR?

It is owned by the State Highway Agency.