US Bridges

Lrd Doyle RD over Br E Br Rock River

Fair

Dodge County, Wisconsin · 1.9M S JCT Sth 175 · Structure no. P14091900000000

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
47
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Doyle RD over Br E Br Rock River is a prestressed concrete channel beam carrying Lrd Doyle RD over Br E Br Rock River in Dodge County, Wisconsin. It was built in 1974, so it is 51 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 47 vehicles a day, projected to reach 51 by 2043. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLrd Doyle RD
CrossesBr E Br Rock River
Location1.9M S JCT Sth 175
RouteCity Street 0
Coordinates43.46544, -88.43027
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic51 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Doyle RD over Br E Br Rock River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Lrd Doyle RD over Br E Br Rock River 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 May 2024.

How much traffic does Lrd Doyle RD over Br E Br Rock River carry?

About 47 vehicles per day (2022 count).

How long is Lrd Doyle RD over Br E Br Rock River?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns Lrd Doyle RD over Br E Br Rock River?

It is owned by the Town or Township Highway Agency.