US Bridges

Sage Creek Road over Sage Ck

Good

Pennington County, South Dakota · 8.7W 5.8S Wall · Structure no. 000000052823419

Built
1977
48 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
125 ft
3 main spans
Daily traffic
352
2022 count
Owner
County
County Highway Agency

About this bridge

Sage Creek Road over Sage Ck is a prestressed concrete tee beam carrying Sage Creek Road over Sage Ck in Pennington County, South Dakota. It was built in 1977, so it is 48 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 352 vehicles a day, roughly 7% of them trucks, projected to reach 352 by 2032. The structure is 125 ft (38.1 m) long and 31 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

CarriesSage Creek Road
CrossesSage Ck
Location8.7W 5.8S Wall
RouteCounty Highway 0
Coordinates43.90975, -102.41301
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating51.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length125 ft (38.1 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic352 (2022)
Projected traffic352 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.3 mi (89 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 Sage Creek Road over Sage Ck built?

It was built in 1977, making it 48 years old in 2025.

What condition is Sage Creek Road over Sage 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 Sage Creek Road over Sage Ck carry?

About 352 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Sage Creek Road over Sage Ck?

The structure is 125 ft (38.1 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns Sage Creek Road over Sage Ck?

It is owned by the County Highway Agency.