US Bridges

Cth X over Br Grand River

Fair

Green Lake County, Wisconsin · 0.4M E JCT Cth M · Structure no. B24044200000000

Built
1924
101 years old, rebuilt 1970
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
250
2021 count
Owner
County
County Highway Agency

About this bridge

Cth X over Br Grand River is a concrete slab carrying Cth X over Br Grand River in Green Lake County, Wisconsin. It was built in 1924 and reconstructed in 1970, so it is 101 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 5 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 250 vehicles a day, projected to reach 224 by 2042. The structure is 30 ft (9 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesCth X
CrossesBr Grand River
Location0.4M E JCT Cth M
RouteCounty Highway 0
CountyGreen Lake County
StateWisconsin
Coordinates43.66783, -89.08035
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9 m)
Longest span25 ft (7.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic224 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 X over Br Grand River built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1970.

What condition is Cth X over Br Grand River 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 Cth X over Br Grand River carry?

About 250 vehicles per day (2021 count).

How long is Cth X over Br Grand River?

The structure is 30 ft (9 m) long with a longest span of 25 ft (7.5 m) and a deck 28 ft wide.

Who owns Cth X over Br Grand River?

It is owned by the County Highway Agency.