US Bridges

Lrd Dubuque Road over Br Roundtree Branch

Fair

Grant County, Wisconsin · 0.8M N JCT Cth D to S · Structure no. B22034600000000

Built
1937
88 years old, rebuilt 1990
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
3,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Dubuque Road over Br Roundtree Branch is a prestressed concrete stringer/multi-beam or girder carrying Lrd Dubuque Road over Br Roundtree Branch in Grant County, Wisconsin. It was built in 1937 and reconstructed in 1990, so it is 88 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 3,800 vehicles a day, roughly 11% of them trucks, projected to reach 4,560 by 2039. The structure is 50 ft (15.2 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesLrd Dubuque Road
CrossesBr Roundtree Branch
Location0.8M N JCT Cth D to S
RouteCity Street 0
CountyGrant County
StateWisconsin
Coordinates42.72467, -90.48311
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span46 ft (14.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic4,560 by 2039
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lrd Dubuque Road over Br Roundtree Branch built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1990.

What condition is Lrd Dubuque Road over Br Roundtree 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 June 2023.

How much traffic does Lrd Dubuque Road over Br Roundtree Branch carry?

About 3,800 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Lrd Dubuque Road over Br Roundtree Branch?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14.1 m) and a deck 42 ft wide.

Who owns Lrd Dubuque Road over Br Roundtree Branch?

It is owned by the City or Municipal Highway Agency.