US Bridges

Cth Pb over Trib Sugar River

FairPosted for load

Dane County, Wisconsin · 0.5M N JCT Sth 69 · Structure no. P13094100000000

Built
1954
71 years old, rebuilt 1984
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
4,700
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Pb over Trib Sugar River is a concrete slab carrying Cth Pb over Trib Sugar River in Dane County, Wisconsin. It was built in 1954 and reconstructed in 1984, 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. Its operating status is: posted for other load-capacity restriction.

It carries about 4,700 vehicles a day, projected to reach 5,640 by 2042. The structure is 23 ft (7 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth Pb
CrossesTrib Sugar River
Location0.5M N JCT Sth 69
RouteCounty Highway 0PB
CountyDane County
StateWisconsin
Coordinates42.86844, -89.56036
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity 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 rating37.8 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2022)
Projected traffic5,640 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Pb over Trib Sugar River built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1984.

What condition is Cth Pb over Trib Sugar 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 Cth Pb over Trib Sugar River carry?

About 4,700 vehicles per day (2022 count).

How long is Cth Pb over Trib Sugar River?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 38 ft wide.

Who owns Cth Pb over Trib Sugar River?

It is owned by the County Highway Agency.