US Bridges

250th ST HWY 114 over Big Sioux River

Fair

Minnehaha County, South Dakota · 0.6W Baltic · Structure no. 000000050194059

Built
2013
12 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
370 ft
6 main spans
Daily traffic
2,454
2023 count
Owner
County
County Highway Agency

About this bridge

250th ST HWY 114 over Big Sioux River is a prestressed concrete stringer/multi-beam or girder carrying 250th ST HWY 114 over Big Sioux River in Minnehaha County, South Dakota. It was built in 2013, so it is 12 years old, younger 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 2,454 vehicles a day, roughly 3% of them trucks, projected to reach 2,849 by 2038. The structure is 370 ft (112.9 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
Carries250th ST HWY 114
CrossesBig Sioux River
Location0.6W Baltic
RouteCity Street 0
CountyMinnehaha County
StateSouth Dakota
Coordinates43.76132, -96.74428
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length370 ft (112.9 m)
Longest span89 ft (27.2 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,454 (2023)
Projected traffic2,849 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$2.6 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 250th ST HWY 114 over Big Sioux River built?

It was built in 2013, making it 12 years old in 2025.

What condition is 250th ST HWY 114 over Big Sioux River 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 July 2023.

How much traffic does 250th ST HWY 114 over Big Sioux River carry?

About 2,454 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is 250th ST HWY 114 over Big Sioux River?

The structure is 370 ft (112.9 m) long with a longest span of 89 ft (27.2 m) and a deck 35 ft wide.

Who owns 250th ST HWY 114 over Big Sioux River?

It is owned by the County Highway Agency.