US Bridges

Cth X over IH Ush 51-IH 39

Fair

Portage County, Wisconsin · 5.2M S JCT Cth Db · Structure no. B49005500000000

Built
1971
54 years old, rebuilt 2008
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
2 main spans
Daily traffic
130
2021 count
Owner
State
State Highway Agency

About this bridge

Cth X over IH Ush 51-IH 39 is a steel continuous stringer/multi-beam or girder carrying Cth X over IH Ush 51-IH 39 in Portage County, Wisconsin. It was built in 1971 and reconstructed in 2008, so it is 54 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 130 vehicles a day, projected to reach 156 by 2041. The structure is 260 ft (79.2 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCth X
CrossesIH Ush 51-IH 39
Location5.2M S JCT Cth Db
RouteCounty Highway 0X
CountyPortage County
StateWisconsin
Coordinates44.59486, -89.61412
Functional classRural Major 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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span130 ft (39.6 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2021)
Projected traffic156 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cth X over IH Ush 51-IH 39 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2008.

What condition is Cth X over IH Ush 51-IH 39 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 X over IH Ush 51-IH 39 carry?

About 130 vehicles per day (2021 count).

How long is Cth X over IH Ush 51-IH 39?

The structure is 260 ft (79.2 m) long with a longest span of 130 ft (39.6 m) and a deck 47 ft wide.

Who owns Cth X over IH Ush 51-IH 39?

It is owned by the State Highway Agency.