US Bridges

Cth H over Blue Mounds Branch

Fair

Lafayette County, Wisconsin · 0.2M E JCT Sth 78 · Structure no. P33090500000000

Built
1922
103 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
43 ft
1 main span
Daily traffic
352
2022 count
Owner
County
County Highway Agency

About this bridge

Cth H over Blue Mounds Branch is a concrete stringer/multi-beam or girder carrying Cth H over Blue Mounds Branch in Lafayette County, Wisconsin. It was built in 1922, so it is 103 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 352 vehicles a day, projected to reach 387 by 2043. The structure is 43 ft (13.1 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCth H
CrossesBlue Mounds Branch
Location0.2M E JCT Sth 78
RouteCounty Highway 0H
CountyLafayette County
StateWisconsin
Coordinates42.80978, -89.85606
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span40 ft (12.3 m)
Deck width26 ft (8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic352 (2022)
Projected traffic387 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 H over Blue Mounds Branch built?

It was built in 1922, making it 103 years old in 2025.

What condition is Cth H over Blue Mounds Branch 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 August 2024.

How much traffic does Cth H over Blue Mounds Branch carry?

About 352 vehicles per day (2022 count).

How long is Cth H over Blue Mounds Branch?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.3 m) and a deck 26 ft wide.

Who owns Cth H over Blue Mounds Branch?

It is owned by the County Highway Agency.