US Bridges

Ush 12/14 Wb-W Bel over Lrd Gammon RD

Fair

Dane County, Wisconsin · 3.0M W JCT Ush 18 to W · Structure no. B13023900000000

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
170 ft
2 main spans
Daily traffic
30,850
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 12/14 Wb-W Bel over Lrd Gammon RD is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 12/14 Wb-W Bel over Lrd Gammon RD in Dane County, Wisconsin. It was built in 1968, so it is 57 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 30,850 vehicles a day, roughly 1% of them trucks, projected to reach 37,020 by 2042. The structure is 170 ft (51.8 m) long and 59 ft wide.

CarriesUsh 12/14 Wb-W Bel
CrossesLrd Gammon RD
Location3.0M W JCT Ush 18 to W
RouteU.S. Route 12
Coordinates43.05338, -89.5028
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span86 ft (26.1 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,850 (2022)
Projected traffic37,020 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Ush 12/14 Wb-W Bel over Lrd Gammon RD built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ush 12/14 Wb-W Bel over Lrd Gammon RD 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 Ush 12/14 Wb-W Bel over Lrd Gammon RD carry?

About 30,850 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Ush 12/14 Wb-W Bel over Lrd Gammon RD?

The structure is 170 ft (51.8 m) long with a longest span of 86 ft (26.1 m) and a deck 59 ft wide.

Who owns Ush 12/14 Wb-W Bel over Lrd Gammon RD?

It is owned by the State Highway Agency.