US Bridges

133rd Street over Mina Lake

Good

Edmunds County, South Dakota · 1.5W of Brown Co. Line · Structure no. 000000023466090

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

133rd Street over Mina Lake is a concrete continuous slab carrying 133rd Street over Mina Lake in Edmunds County, South Dakota. It was built in 2008, so it is 17 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 200 vehicles a day, roughly 7% of them trucks, projected to reach 227 by 2032. The structure is 103 ft (31.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries133rd Street
CrossesMina Lake
Location1.5W of Brown Co. Line
RouteCounty Highway 0
Coordinates45.46128, -98.75168
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.8 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length103 ft (31.3 m)
Longest span39 ft (11.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic227 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 133rd Street over Mina Lake built?

It was built in 2008, making it 17 years old in 2025.

What condition is 133rd Street over Mina Lake 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 June 2023.

How much traffic does 133rd Street over Mina Lake carry?

About 200 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is 133rd Street over Mina Lake?

The structure is 103 ft (31.3 m) long with a longest span of 39 ft (11.8 m) and a deck 35 ft wide.

Who owns 133rd Street over Mina Lake?

It is owned by the County Highway Agency.