US Bridges

Lrd Birch DR over IH Ush 51-IH 39

Fair

Portage County, Wisconsin · 1.5M S JCT Sth 54 · Structure no. B49005000000000

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
219 ft
2 main spans
Daily traffic
400
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd Birch DR over IH Ush 51-IH 39 is a steel continuous stringer/multi-beam or girder carrying Lrd Birch DR over IH Ush 51-IH 39 in Portage County, Wisconsin. It was built in 1978, so it is 47 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 400 vehicles a day, projected to reach 400 by 2043. The structure is 219 ft (66.8 m) long and 37 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesLrd Birch DR
CrossesIH Ush 51-IH 39
Location1.5M S JCT Sth 54
RouteCity Street 0
CountyPortage County
StateWisconsin
Coordinates44.41039, -89.51952
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length219 ft (66.8 m)
Longest span111 ft (33.8 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic400 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 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 Lrd Birch DR over IH Ush 51-IH 39 built?

It was built in 1978, making it 47 years old in 2025.

What condition is Lrd Birch DR 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 July 2024.

How much traffic does Lrd Birch DR over IH Ush 51-IH 39 carry?

About 400 vehicles per day (2022 count).

How long is Lrd Birch DR over IH Ush 51-IH 39?

The structure is 219 ft (66.8 m) long with a longest span of 111 ft (33.8 m) and a deck 37 ft wide.

Who owns Lrd Birch DR over IH Ush 51-IH 39?

It is owned by the State Highway Agency.