US Bridges

Sth 19 over Br Maunesha River

Fair

Dane County, Wisconsin · 1.3M E JCT Cth Tt to N · Structure no. B13034500000000

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
5,600
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 19 over Br Maunesha River is a concrete slab carrying Sth 19 over Br Maunesha River in Dane County, Wisconsin. It was built in 1981, so it is 44 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 5,600 vehicles a day, roughly 5% of them trucks, projected to reach 6,720 by 2042. The structure is 31 ft (9.4 m) long and 42 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesSth 19
CrossesBr Maunesha River
Location1.3M E JCT Cth Tt to N
RouteState Highway 19
CountyDane County
StateWisconsin
Coordinates43.1735, -89.078
Functional classRural 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
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.
Substructure7 GoodSome minor problems.
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 rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2022)
Projected traffic6,720 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 19 over Br Maunesha River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Sth 19 over Br Maunesha 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 Sth 19 over Br Maunesha River carry?

About 5,600 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sth 19 over Br Maunesha River?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns Sth 19 over Br Maunesha River?

It is owned by the State Highway Agency.