US Bridges

Lrd Yahara RD over Yahara River

Fair

Dane County, Wisconsin · 1.3M S JCT Cth Dm · Structure no. B13028200000000

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
10,521
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Yahara RD over Yahara River is a concrete slab carrying Lrd Yahara RD over Yahara River in Dane County, Wisconsin. It was built in 1969, so it is 56 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.

It carries about 10,521 vehicles a day, roughly 8% of them trucks, projected to reach 11,573 by 2043. The structure is 38 ft (11.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLrd Yahara RD
CrossesYahara River
Location1.3M S JCT Cth Dm
RouteCity Street 0
Coordinates43.26342, -89.34094
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.7 m)
Longest span36 ft (11 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,521 (2022)
Projected traffic11,573 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$303,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Yahara RD over Yahara River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Lrd Yahara RD over Yahara 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 October 2024.

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

About 10,521 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Lrd Yahara RD over Yahara River?

The structure is 38 ft (11.7 m) long with a longest span of 36 ft (11 m) and a deck 31 ft wide.

Who owns Lrd Yahara RD over Yahara River?

It is owned by the City or Municipal Highway Agency.