US Bridges

Sth 13 over Silver Creek

Good

Ashland County, Wisconsin · 0.3 MI N JCT Coria Rd. · Structure no. B02006700000000

Built
2016
9 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
255 ft
3 main spans
Daily traffic
2,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 13 over Silver Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 13 over Silver Creek in Ashland County, Wisconsin. It was built in 2016, so it is 9 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 15% of them trucks, projected to reach 2,400 by 2042. The structure is 255 ft (77.8 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSth 13
CrossesSilver Creek
Location0.3 MI N JCT Coria Rd.
RouteState Highway 13
Coordinates46.38718, -90.72708
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length255 ft (77.8 m)
Longest span84 ft (25.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2022)
Projected traffic2,400 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 13 over Silver Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Sth 13 over Silver Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Sth 13 over Silver Creek carry?

About 2,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Sth 13 over Silver Creek?

The structure is 255 ft (77.8 m) long with a longest span of 84 ft (25.7 m) and a deck 47 ft wide.

Who owns Sth 13 over Silver Creek?

It is owned by the State Highway Agency.