US Bridges

Cth G over Ush 51

Fair

Lincoln County, Wisconsin · 1.6M E JCT Ush B51 · Structure no. B35003000000000

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
2 main spans
Daily traffic
2,700
2022 count
Owner
State
State Highway Agency

About this bridge

Cth G over Ush 51 is a steel continuous stringer/multi-beam or girder carrying Cth G over Ush 51 in Lincoln County, Wisconsin. It was built in 1975, so it is 50 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.

It carries about 2,700 vehicles a day, roughly 8% of them trucks, projected to reach 18,830 by 2042. The structure is 247 ft (75.3 m) long and 48 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth G
CrossesUsh 51
Location1.6M E JCT Ush B51
RouteCounty Highway 0G
Coordinates45.19229, -89.64682
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length247 ft (75.3 m)
Longest span121 ft (36.9 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic18,830 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth G over Ush 51 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cth G over Ush 51 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 May 2023.

How much traffic does Cth G over Ush 51 carry?

About 2,700 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Cth G over Ush 51?

The structure is 247 ft (75.3 m) long with a longest span of 121 ft (36.9 m) and a deck 48 ft wide.

Who owns Cth G over Ush 51?

It is owned by the State Highway Agency.