US Bridges

US212 over Trib Ford Lake

Good

Faulk County, South Dakota · 2.7E Seneca · Structure no. 000000025057130

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
717
2023 count
Owner
State
State Highway Agency

About this bridge

US212 over Trib Ford Lake is a concrete culvert carrying US212 over Trib Ford Lake in Faulk County, South Dakota. It was built in 2021, so it is 4 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 717 vehicles a day, roughly 19% of them trucks, projected to reach 1,018 by 2043. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS212
CrossesTrib Ford Lake
Location2.7E Seneca
RouteU.S. Route 212
Coordinates45.05669, -99.4571
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 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 alignment9: Superior to present desirable criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic717 (2023)
Projected traffic1,018 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US212 over Trib Ford Lake built?

It was built in 2021, making it 4 years old in 2025.

What condition is US212 over Trib Ford 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 April 2024.

How much traffic does US212 over Trib Ford Lake carry?

About 717 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is US212 over Trib Ford Lake?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m).

Who owns US212 over Trib Ford Lake?

It is owned by the State Highway Agency.