US Bridges

Lewis Road over Dry Ck

Fair

Butte County, South Dakota · 3 N 3.5 E Vale · Structure no. 000000010355380

Built
1984
41 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

Lewis Road over Dry Ck is a prestressed concrete tee beam carrying Lewis Road over Dry Ck in Butte County, South Dakota. It was built in 1984, so it is 41 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 49 vehicles a day, roughly 2% of them trucks, projected to reach 70 by 2032. The structure is 50 ft (15.2 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLewis Road
CrossesDry Ck
Location3 N 3.5 E Vale
RouteCounty Highway 0
Coordinates44.66248, -103.33605
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic70 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Lewis Road over Dry Ck built?

It was built in 1984, making it 41 years old in 2025.

What condition is Lewis Road over Dry 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 2024.

How much traffic does Lewis Road over Dry Ck carry?

About 49 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Lewis Road over Dry Ck?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.

Who owns Lewis Road over Dry Ck?

It is owned by the County Highway Agency.