US Bridges

29620 414th Avenue over Emanuel Creek

Good

Bon Homme County, South Dakota · 6.7N & 2W of Tyndall · Structure no. 000000005130053

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

29620 414th Avenue over Emanuel Creek is a concrete continuous slab carrying 29620 414th Avenue over Emanuel Creek in Bon Homme 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 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 90 ft (27.3 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries29620 414th Avenue
CrossesEmanuel Creek
Location6.7N & 2W of Tyndall
RouteCounty Highway 0
Coordinates43.09277, -97.91031
Functional classRural Local

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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83.3 US tons
Inventory rating49.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length90 ft (27.3 m)
Longest span33 ft (10.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2032
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 29620 414th Avenue over Emanuel Creek built?

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

What condition is 29620 414th Avenue over Emanuel Creek 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 29620 414th Avenue over Emanuel Creek carry?

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

How long is 29620 414th Avenue over Emanuel Creek?

The structure is 90 ft (27.3 m) long with a longest span of 33 ft (10.2 m) and a deck 30 ft wide.

Who owns 29620 414th Avenue over Emanuel Creek?

It is owned by the County Highway Agency.