US Bridges

Cth G over Br Trappe River

Good

Marathon County, Wisconsin · 1.2M E JCT Cth Q · Structure no. B37045600000000

Built
2020
5 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
43 ft
1 main span
Daily traffic
142
2024 count
Owner
County
County Highway Agency

About this bridge

Cth G over Br Trappe River is a concrete slab carrying Cth G over Br Trappe River in Marathon County, Wisconsin. It was built in 2020, so it is 5 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 142 vehicles a day, projected to reach 140 by 2043. The structure is 43 ft (13 m) long and 32 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesCth G
CrossesBr Trappe River
Location1.2M E JCT Cth Q
RouteCounty Highway 0G
Coordinates45.0885, -89.40263
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length43 ft (13 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic142 (2024)
Projected traffic140 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 G over Br Trappe River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Cth G over Br Trappe 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 G over Br Trappe River carry?

About 142 vehicles per day (2024 count).

How long is Cth G over Br Trappe River?

The structure is 43 ft (13 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Cth G over Br Trappe River?

It is owned by the County Highway Agency.