US Bridges

348 Ave over I090

Fair

Brule County, South Dakota · 2.5 W Sd 50 Interch · Structure no. 000000008120125

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
4 main spans
Daily traffic
25
2023 count
Owner
State
State Highway Agency

About this bridge

348 Ave over I090 is a steel continuous stringer/multi-beam or girder carrying 348 Ave over I090 in Brule County, South Dakota. It was built in 1964, so it is 61 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 25 vehicles a day, roughly 5% of them trucks, projected to reach 25 by 2043. The structure is 254 ft (77.4 m) long and 26 ft wide.

Location

Open in Google Maps
Carries348 Ave
CrossesI090
Location2.5 W Sd 50 Interch
RouteCounty Highway 0
CountyBrule County
StateSouth Dakota
Coordinates43.7525, -99.23274
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
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 alignment6: Equal to present minimum criteria
Operating rating47.3 US tons
Inventory rating28.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length254 ft (77.4 m)
Longest span70 ft (21.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic25 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 348 Ave over I090 built?

It was built in 1964, making it 61 years old in 2025.

What condition is 348 Ave over I090 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 March 2023.

How much traffic does 348 Ave over I090 carry?

About 25 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 348 Ave over I090?

The structure is 254 ft (77.4 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns 348 Ave over I090?

It is owned by the State Highway Agency.