US Bridges

Cth a over Little Grant River

Good

Grant County, Wisconsin · 5.1M W JCT Ush 61 · Structure no. B22012600000000

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
113 ft
2 main spans
Daily traffic
477
2022 count
Owner
County
County Highway Agency

About this bridge

Cth a over Little Grant River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth a over Little Grant River in Grant County, Wisconsin. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 477 vehicles a day, projected to reach 524 by 2043. The structure is 113 ft (34.5 m) long and 32 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCth a
CrossesLittle Grant River
Location5.1M W JCT Ush 61
RouteCounty Highway 0A
Coordinates42.86264, -90.79958
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating62.8 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length113 ft (34.5 m)
Longest span55 ft (16.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2022)
Projected traffic524 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Little Grant River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Cth a over Little Grant River 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 2024.

How much traffic does Cth a over Little Grant River carry?

About 477 vehicles per day (2022 count).

How long is Cth a over Little Grant River?

The structure is 113 ft (34.5 m) long with a longest span of 55 ft (16.9 m) and a deck 32 ft wide.

Who owns Cth a over Little Grant River?

It is owned by the County Highway Agency.