US Bridges

160th Ave over Rapid Ck

Good

Pennington County, South Dakota · 1.2E 1.3S Farmingdal · Structure no. 000000052601400

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

160th Ave over Rapid Ck is a prestressed concrete tee beam carrying 160th Ave over Rapid Ck in Pennington County, South Dakota. It was built in 1999, so it is 26 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 120 vehicles a day, roughly 3% of them trucks, projected to reach 120 by 2032. The structure is 55 ft (16.8 m) long and 31 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Carries160th Ave
CrossesRapid Ck
Location1.2E 1.3S Farmingdal
RouteCounty Highway 0
Coordinates43.94206, -102.85445
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.7 US tons
Inventory rating43.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 160th Ave over Rapid Ck built?

It was built in 1999, making it 26 years old in 2025.

What condition is 160th Ave over Rapid Ck 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 2024.

How much traffic does 160th Ave over Rapid Ck carry?

About 120 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 160th Ave over Rapid Ck?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.

Who owns 160th Ave over Rapid Ck?

It is owned by the County Highway Agency.