US Bridges

USH12-STH16 over Webster Creek

Fair

Juneau County, Wisconsin · City of New Lisbon · Structure no. B29093100000000

Built
1920
105 years old, rebuilt 2000
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

USH12-STH16 over Webster Creek is a concrete slab carrying USH12-STH16 over Webster Creek in Juneau County, Wisconsin. It was built in 1920 and reconstructed in 2000, so it is 105 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 4,500 vehicles a day, projected to reach 2,501 by 2042. The structure is 23 ft (7 m) long and 45 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUSH12-STH16
CrossesWebster Creek
LocationCity of New Lisbon
RouteU.S. Route 12
Coordinates43.86726, -90.15867
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.6 m)
Deck width45 ft (13.6 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic2,501 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was USH12-STH16 over Webster Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2000.

What condition is USH12-STH16 over Webster Creek 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 USH12-STH16 over Webster Creek carry?

About 4,500 vehicles per day (2022 count).

How long is USH12-STH16 over Webster Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.6 m) and a deck 45 ft wide.

Who owns USH12-STH16 over Webster Creek?

It is owned by the State Highway Agency.