US Bridges

Elk Creek Rd. over Antelope Ck

Poor

Meade County, South Dakota · 13S&22.2E Sturgis · Structure no. 000000047252560

Built
1954
71 years old
Condition
Poor
inspected July 2024
Type
Slab
Concrete Continuous
Length
74 ft
4 main spans
Daily traffic
63
2022 count
Owner
County
County Highway Agency

About this bridge

Elk Creek Rd. over Antelope Ck is a concrete continuous slab carrying Elk Creek Rd. over Antelope Ck in Meade County, South Dakota. It was built in 1954, so it is 71 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 63 vehicles a day, roughly 2% of them trucks, projected to reach 63 by 2032. The structure is 74 ft (22.6 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesElk Creek Rd.
CrossesAntelope Ck
Location13S&22.2E Sturgis
RouteCounty Highway 0
Coordinates44.22744, -103.06648
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.6 US tons
Inventory rating19.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length74 ft (22.6 m)
Longest span16 ft (4.9 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2022)
Projected traffic63 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Elk Creek Rd. over Antelope Ck built?

It was built in 1954, making it 71 years old in 2025.

What condition is Elk Creek Rd. over Antelope Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Elk Creek Rd. over Antelope Ck carry?

About 63 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Elk Creek Rd. over Antelope Ck?

The structure is 74 ft (22.6 m) long with a longest span of 16 ft (4.9 m) and a deck 28 ft wide.

Who owns Elk Creek Rd. over Antelope Ck?

It is owned by the County Highway Agency.