US Bridges

Sth 13 over Carter Creek

Fair

Adams County, Wisconsin · 1.7M N JCT Cth J · Structure no. B01003600000000

Built
1937
88 years old, rebuilt 1993
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
7,100
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 13 over Carter Creek is a steel stringer/multi-beam or girder carrying Sth 13 over Carter Creek in Adams County, Wisconsin. It was built in 1937 and reconstructed in 1993, so it is 88 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 7,100 vehicles a day, roughly 6% of them trucks, projected to reach 9,230 by 2042. The structure is 42 ft (12.7 m) long and 42 ft wide. If it were closed, the detour would be 28.6 mi (46 km).

Location

Open in Google Maps
CarriesSth 13
CrossesCarter Creek
Location1.7M N JCT Cth J
RouteState Highway 13
CountyAdams County
StateWisconsin
Coordinates43.99809, -89.81228
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length42 ft (12.7 m)
Longest span41 ft (12.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2022)
Projected traffic9,230 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28.6 mi (46 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 Sth 13 over Carter Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1993.

What condition is Sth 13 over Carter 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 Sth 13 over Carter Creek carry?

About 7,100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Sth 13 over Carter Creek?

The structure is 42 ft (12.7 m) long with a longest span of 41 ft (12.6 m) and a deck 42 ft wide.

Who owns Sth 13 over Carter Creek?

It is owned by the State Highway Agency.