US Bridges

Lrd Marsh RD over Br Yahara River

Fair

Dane County, Wisconsin · 0.2M S JCT Ush 12 · Structure no. P13075100000000

Built
1930
95 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
34 ft
1 main span
Daily traffic
406
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Marsh RD over Br Yahara River is a concrete stringer/multi-beam or girder carrying Lrd Marsh RD over Br Yahara River in Dane County, Wisconsin. It was built in 1930, 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 fair condition with a lowest component rating of 6 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 406 vehicles a day, projected to reach 446 by 2043. The structure is 34 ft (10.4 m) long and 23 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Marsh RD
CrossesBr Yahara River
Location0.2M S JCT Ush 12
RouteCity Street 0
Coordinates43.04544, -89.28669
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating43.2 US tons
Inventory rating23.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic406 (2022)
Projected traffic446 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$291,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Marsh RD over Br Yahara River built?

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

What condition is Lrd Marsh RD over Br 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 Marsh RD over Br Yahara River carry?

About 406 vehicles per day (2022 count).

How long is Lrd Marsh RD over Br Yahara River?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 23 ft wide.

Who owns Lrd Marsh RD over Br Yahara River?

It is owned by the City or Municipal Highway Agency.