US Bridges

149 Street over Big Sioux Rv

Good

Grant County, South Dakota · 2.5S & 12.2W Marvin · Structure no. 000000026032070

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
46 ft
4 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

149 Street over Big Sioux Rv is a concrete continuous culvert carrying 149 Street over Big Sioux Rv in Grant County, South Dakota. It was built in 2023, so it is 2 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 2% of them trucks, projected to reach 275 by 2041. The structure is 46 ft (14 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Carries149 Street
CrossesBig Sioux Rv
Location2.5S & 12.2W Marvin
RouteCounty Highway 0
Coordinates45.22464, -97.15914
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHL 93
Structure length46 ft (14 m)
Longest span11 ft (3.4 m)
Deck width32 ft (9.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic275 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 149 Street over Big Sioux Rv built?

It was built in 2023, making it 2 years old in 2025.

What condition is 149 Street over Big Sioux Rv in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does 149 Street over Big Sioux Rv carry?

About 250 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 149 Street over Big Sioux Rv?

The structure is 46 ft (14 m) long with a longest span of 11 ft (3.4 m) and a deck 32 ft wide.

Who owns 149 Street over Big Sioux Rv?

It is owned by the County Highway Agency.