US Bridges

Lrd Spring RD over Br Yahara River

PoorPosted for load

Dane County, Wisconsin · 0.7M S JCT Cth B · Structure no. P13091500000000

Built
1930
95 years old, rebuilt 1962
Condition
Poor
inspected October 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
58
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Spring RD over Br Yahara River is a concrete slab carrying Lrd Spring RD over Br Yahara River in Dane County, Wisconsin. It was built in 1930 and reconstructed in 1962, so it is 95 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 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. Its operating status is: posted for other load-capacity restriction.

It carries about 58 vehicles a day, projected to reach 63 by 2043. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesLrd Spring RD
CrossesBr Yahara River
Location0.7M S JCT Cth B
RouteCity Street 0
Coordinates42.95269, -89.18092
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating19.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2022)
Projected traffic63 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$147,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Spring RD over Br Yahara River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1962.

What condition is Lrd Spring RD over Br Yahara River 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 October 2024.

How much traffic does Lrd Spring RD over Br Yahara River carry?

About 58 vehicles per day (2022 count).

How long is Lrd Spring RD over Br Yahara River?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.8 m) and a deck 26 ft wide.

Who owns Lrd Spring RD over Br Yahara River?

It is owned by the Town or Township Highway Agency.