US Bridges

Cth Jg over W Br Sugar River

Good

Dane County, Wisconsin · 2.8M S JCT Ush 18 · Structure no. B13088400000000

Built
2023
2 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
864
2023 count
Owner
County
County Highway Agency

About this bridge

Cth Jg over W Br Sugar River is a prestressed concrete stringer/multi-beam or girder carrying Cth Jg over W Br Sugar River in Dane County, Wisconsin. It was built in 2023, so it is 2 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 864 vehicles a day, roughly 6% of them trucks, projected to reach 1,037 by 2043. The structure is 53 ft (16.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth Jg
CrossesW Br Sugar River
Location2.8M S JCT Ush 18
RouteCounty Highway 0JG
Coordinates42.96761, -89.73044
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.3 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic864 (2023)
Projected traffic1,037 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Jg over W Br Sugar River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Cth Jg over W Br Sugar River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Cth Jg over W Br Sugar River carry?

About 864 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Cth Jg over W Br Sugar River?

The structure is 53 ft (16.3 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns Cth Jg over W Br Sugar River?

It is owned by the County Highway Agency.