US Bridges

Lrd Prairie Fork R over Prairie River

FairPosted for load

Lincoln County, Wisconsin · 0.6M W JCT Sth 17 · Structure no. P35007300000000

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
111
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Prairie Fork R over Prairie River is a prestressed concrete box beam or girders - multiple carrying Lrd Prairie Fork R over Prairie River in Lincoln County, Wisconsin. It was built in 1964, so it is 61 years old, older than the Wisconsin average of 40.3 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. Its operating status is: posted for load restriction.

It carries about 111 vehicles a day, projected to reach 115 by 2043. The structure is 44 ft (13.5 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesLrd Prairie Fork R
CrossesPrairie River
Location0.6M W JCT Sth 17
RouteCity Street 0
Coordinates45.30836, -89.51581
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating16.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length44 ft (13.5 m)
Longest span41 ft (12.5 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111 (2023)
Projected traffic115 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Lrd Prairie Fork R over Prairie River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Lrd Prairie Fork R over Prairie 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 Lrd Prairie Fork R over Prairie River carry?

About 111 vehicles per day (2023 count).

How long is Lrd Prairie Fork R over Prairie River?

The structure is 44 ft (13.5 m) long with a longest span of 41 ft (12.5 m) and a deck 27 ft wide.

Who owns Lrd Prairie Fork R over Prairie River?

It is owned by the Town or Township Highway Agency.