US Bridges

176 ST over Bryant Ck

Fair

Hand County, South Dakota · 1E & 3.7S Rockham · Structure no. 000000030250037

Built
1983
42 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

176 ST over Bryant Ck is a concrete slab carrying 176 ST over Bryant Ck in Hand County, South Dakota. It was built in 1983, so it is 42 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 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 15 vehicles a day, roughly 2% of them trucks, projected to reach 15 by 2032. The structure is 35 ft (10.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries176 ST
CrossesBryant Ck
Location1E & 3.7S Rockham
RouteCounty Highway 0
Coordinates44.84132, -98.80728
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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating67.7 US tons
Inventory rating40.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 176 ST over Bryant Ck built?

It was built in 1983, making it 42 years old in 2025.

What condition is 176 ST over Bryant Ck 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 August 2023.

How much traffic does 176 ST over Bryant Ck carry?

About 15 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 176 ST over Bryant Ck?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 33 ft wide.

Who owns 176 ST over Bryant Ck?

It is owned by the County Highway Agency.