US Bridges

Cth M over Ush 18-USH 151

Fair

Dane County, Wisconsin · 1.0M E JCT Sth 69 · Structure no. B13041000000000

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
341 ft
2 main spans
Daily traffic
5,300
2022 count
Owner
State
State Highway Agency

About this bridge

Cth M over Ush 18-USH 151 is a steel continuous stringer/multi-beam or girder carrying Cth M over Ush 18-USH 151 in Dane County, Wisconsin. It was built in 1994, so it is 31 years old, younger 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 5,300 vehicles a day, projected to reach 5,100 by 2043. The structure is 341 ft (104 m) long and 56 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCth M
CrossesUsh 18-USH 151
Location1.0M E JCT Sth 69
RouteCounty Highway 0M
CountyDane County
StateWisconsin
Coordinates42.97325, -89.52477
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 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 rating93.6 US tons
Inventory rating55.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length341 ft (104 m)
Longest span169 ft (51.5 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2022)
Projected traffic5,100 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5.6 mi (9 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 M over Ush 18-USH 151 built?

It was built in 1994, making it 31 years old in 2025.

What condition is Cth M 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 July 2024.

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

About 5,300 vehicles per day (2022 count).

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

The structure is 341 ft (104 m) long with a longest span of 169 ft (51.5 m) and a deck 56 ft wide.

Who owns Cth M over Ush 18-USH 151?

It is owned by the State Highway Agency.