US Bridges

Cth Jg over Ush 18-USH 151

Fair

Dane County, Wisconsin · 8.2M N JCT Cth a · Structure no. B13030000000000

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
207 ft
2 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

Cth Jg over Ush 18-USH 151 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Jg over Ush 18-USH 151 in Dane County, Wisconsin. It was built in 1984, so it is 41 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,320 by 2042. The structure is 207 ft (63.1 m) long and 37 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCth Jg
CrossesUsh 18-USH 151
Location8.2M N JCT Cth a
RouteCounty Highway 0JG
CountyDane County
StateWisconsin
Coordinates42.99408, -89.73052
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length207 ft (63.1 m)
Longest span101 ft (30.9 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,320 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 Jg over Ush 18-USH 151 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Cth Jg over Ush 18-USH 151 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 2024.

How much traffic does Cth Jg over Ush 18-USH 151 carry?

About 1,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Cth Jg over Ush 18-USH 151?

The structure is 207 ft (63.1 m) long with a longest span of 101 ft (30.9 m) and a deck 37 ft wide.

Who owns Cth Jg over Ush 18-USH 151?

It is owned by the State Highway Agency.