US Bridges

Cth T over Br Sugar River

Poor

Green County, Wisconsin · 4.9M S JCT Sth 81 · Structure no. P23095200000000

Built
1940
85 years old
Condition
Poor
inspected May 2024
Type
Culvert
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
710
2022 count
Owner
County
County Highway Agency

About this bridge

Cth T over Br Sugar River is a concrete continuous culvert carrying Cth T over Br Sugar River in Green County, Wisconsin. It was built in 1940, so it is 85 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 710 vehicles a day, projected to reach 852 by 2043. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth T
CrossesBr Sugar River
Location4.9M S JCT Sth 81
RouteCounty Highway 0T
Coordinates42.50935, -89.3708
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length40 ft (12.2 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2022)
Projected traffic852 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$237,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth T over Br Sugar River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Cth T over Br Sugar River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Cth T over Br Sugar River carry?

About 710 vehicles per day (2022 count).

How long is Cth T over Br Sugar River?

The structure is 40 ft (12.2 m) long with a longest span of 17 ft (5.2 m).

Who owns Cth T over Br Sugar River?

It is owned by the County Highway Agency.