US Bridges

30080 413th Avenue over Trib. to Emanuel Creek

Fair

Bon Homme County, South Dakota · 3W & 2.2N of Tyndall · Structure no. 000000005120097

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

30080 413th Avenue over Trib. to Emanuel Creek is a prestressed concrete tee beam carrying 30080 413th Avenue over Trib. to Emanuel Creek in Bon Homme County, South Dakota. It was built in 1970, so it is 55 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 6 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 31 ft (9.4 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries30080 413th Avenue
CrossesTrib. to Emanuel Creek
Location3W & 2.2N of Tyndall
Coordinates43.02845, -97.93058
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span30 ft (9 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 30080 413th Avenue over Trib. to Emanuel Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is 30080 413th Avenue over Trib. to Emanuel Creek 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 May 2023.

How much traffic does 30080 413th Avenue over Trib. to Emanuel Creek carry?

About 60 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 30080 413th Avenue over Trib. to Emanuel Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9 m) and a deck 27 ft wide.

Who owns 30080 413th Avenue over Trib. to Emanuel Creek?

It is owned by the County Highway Agency.