US Bridges

125th Street over Jorgenson River

Fair

Roberts County, South Dakota · 2N & 2E of Peever · Structure no. 000000055151250

Built
1981
44 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
68
2022 count
Owner
County
County Highway Agency

About this bridge

125th Street over Jorgenson River is a prestressed concrete tee beam carrying 125th Street over Jorgenson River in Roberts County, South Dakota. It was built in 1981, so it is 44 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 5 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 68 vehicles a day, roughly 2% of them trucks, projected to reach 68 by 2032. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries125th Street
CrossesJorgenson River
Location2N & 2E of Peever
Coordinates45.57238, -96.91496
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68 (2022)
Projected traffic68 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 125th Street over Jorgenson River built?

It was built in 1981, making it 44 years old in 2025.

What condition is 125th Street over Jorgenson River 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 June 2024.

How much traffic does 125th Street over Jorgenson River carry?

About 68 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 125th Street over Jorgenson River?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.

Who owns 125th Street over Jorgenson River?

It is owned by the County Highway Agency.