US Bridges

Lrd Marian RD over Br Martin Branch

Good

Grant County, Wisconsin · 2.8M N JCT Cth a · Structure no. P22018700000000

Built
1968
57 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
102
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Marian RD over Br Martin Branch is a concrete continuous culvert carrying Lrd Marian RD over Br Martin Branch in Grant County, Wisconsin. It was built in 1968, so it is 57 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 102 vehicles a day, projected to reach 112 by 2042. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 7.5 mi (12 km).

CarriesLrd Marian RD
CrossesBr Martin Branch
Location2.8M N JCT Cth a
RouteCity Street 0
Coordinates42.89406, -90.79353
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length24 ft (7.4 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2022)
Projected traffic112 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Marian RD over Br Martin Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Lrd Marian RD over Br Martin Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Lrd Marian RD over Br Martin Branch carry?

About 102 vehicles per day (2022 count).

How long is Lrd Marian RD over Br Martin Branch?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.4 m).

Who owns Lrd Marian RD over Br Martin Branch?

It is owned by the Town or Township Highway Agency.