US Bridges

Lrd Forton ST over Yahara River

Fair

Dane County, Wisconsin · 0.2M N JCT Ush 51 · Structure no. B13003100000000

Built
1954
71 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
85 ft
2 main spans
Daily traffic
420
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Forton ST over Yahara River is a steel continuous stringer/multi-beam or girder carrying Lrd Forton ST over Yahara River in Dane County, Wisconsin. It was built in 1954, so it is 71 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 420 vehicles a day, projected to reach 504 by 2042. The structure is 85 ft (25.8 m) long and 37 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesLrd Forton ST
CrossesYahara River
Location0.2M N JCT Ush 51
RouteCity Street 0
CountyDane County
StateWisconsin
Coordinates42.91967, -89.22056
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length85 ft (25.8 m)
Longest span41 ft (12.6 m)
Deck width37 ft (11.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2022)
Projected traffic504 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Forton ST over Yahara River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Lrd Forton ST 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 September 2024.

How much traffic does Lrd Forton ST over Yahara River carry?

About 420 vehicles per day (2022 count).

How long is Lrd Forton ST over Yahara River?

The structure is 85 ft (25.8 m) long with a longest span of 41 ft (12.6 m) and a deck 37 ft wide.

Who owns Lrd Forton ST over Yahara River?

It is owned by the City or Municipal Highway Agency.