US Bridges

Cth O over Wood Branch

Fair

Lafayette County, Wisconsin · 0.9M S JCT Cth Z · Structure no. P33007500000000

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
176
2022 count
Owner
County
County Highway Agency

About this bridge

Cth O over Wood Branch is a steel stringer/multi-beam or girder carrying Cth O over Wood Branch in Lafayette County, Wisconsin. It was built in 1966, so it is 59 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 176 vehicles a day, projected to reach 193 by 2043. The structure is 43 ft (13 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCth O
CrossesWood Branch
Location0.9M S JCT Cth Z
RouteCounty Highway 0O
CountyLafayette County
StateWisconsin
Coordinates42.70725, -90.23003
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length43 ft (13 m)
Longest span41 ft (12.4 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic176 (2022)
Projected traffic193 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 O over Wood Branch built?

It was built in 1966, making it 59 years old in 2025.

What condition is Cth O over Wood 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 October 2024.

How much traffic does Cth O over Wood Branch carry?

About 176 vehicles per day (2022 count).

How long is Cth O over Wood Branch?

The structure is 43 ft (13 m) long with a longest span of 41 ft (12.4 m) and a deck 27 ft wide.

Who owns Cth O over Wood Branch?

It is owned by the County Highway Agency.