US Bridges

Cth Bw / S Broadwa over Yahara River

Fair

Dane County, Wisconsin · 1.0M E JCT Ush 12-18 · Structure no. B13037100000000

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
136 ft
3 main spans
Daily traffic
12,100
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Bw / S Broadwa over Yahara River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Bw / S Broadwa over Yahara River in Dane County, Wisconsin. It was built in 1989, so it is 36 years old, younger 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 12,100 vehicles a day, projected to reach 14,520 by 2042. The structure is 136 ft (41.6 m) long and 78 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesCth Bw / S Broadwa
CrossesYahara River
Location1.0M E JCT Ush 12-18
RouteCounty Highway 0BW
Coordinates43.04704, -89.33582
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.6 m)
Longest span54 ft (16.5 m)
Deck width78 ft (23.9 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,100 (2022)
Projected traffic14,520 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed17.4 mi (28 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth Bw / S Broadwa over Yahara River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Cth Bw / S Broadwa 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 2023.

How much traffic does Cth Bw / S Broadwa over Yahara River carry?

About 12,100 vehicles per day (2022 count).

How long is Cth Bw / S Broadwa over Yahara River?

The structure is 136 ft (41.6 m) long with a longest span of 54 ft (16.5 m) and a deck 78 ft wide.

Who owns Cth Bw / S Broadwa over Yahara River?

It is owned by the County Highway Agency.