US Bridges

Cth Id over Ush 18-USH 151

Fair

Dane County, Wisconsin · At JCT Ush 18-USH 151 · Structure no. B13030300000000

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
212 ft
2 main spans
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

Cth Id over Ush 18-USH 151 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Id 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 1,600 vehicles a day, projected to reach 9,900 by 2043. The structure is 212 ft (64.6 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth Id
CrossesUsh 18-USH 151
LocationAt JCT Ush 18-USH 151
RouteCounty Highway 0ID
CountyDane County
StateWisconsin
Coordinates43.00471, -89.70281
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span105 ft (32 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic9,900 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 Id over Ush 18-USH 151 built?

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

What condition is Cth Id 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 October 2024.

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

About 1,600 vehicles per day (2022 count).

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

The structure is 212 ft (64.6 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns Cth Id over Ush 18-USH 151?

It is owned by the State Highway Agency.