US Bridges

Cth a over Br Silver Creek

FairPosted for load

Monroe County, Wisconsin · 1.4M E JCT Cth Aa · Structure no. B41092700000000

Built
1921
104 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
320
2021 count
Owner
County
County Highway Agency

About this bridge

Cth a over Br Silver Creek is a concrete slab carrying Cth a over Br Silver Creek in Monroe County, Wisconsin. It was built in 1921, so it is 104 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. Its operating status is: posted for other load-capacity restriction.

It carries about 320 vehicles a day, projected to reach 384 by 2041. The structure is 23 ft (7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth a
CrossesBr Silver Creek
Location1.4M E JCT Cth Aa
RouteCounty Highway 0A
Coordinates43.92795, -90.66047
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span22 ft (6.6 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2021)
Projected traffic384 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth a over Br Silver Creek built?

It was built in 1921, making it 104 years old in 2025.

What condition is Cth a over Br Silver 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 July 2024.

How much traffic does Cth a over Br Silver Creek carry?

About 320 vehicles per day (2021 count).

How long is Cth a over Br Silver Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.6 m) and a deck 26 ft wide.

Who owns Cth a over Br Silver Creek?

It is owned by the County Highway Agency.