US Bridges

Sth 144 over Lrd Allen Road

Fair

Sheboygan County, Wisconsin · 1.2M S JCT Sth 57 to N · Structure no. B59010400000000

Built
1980
45 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
223 ft
4 main spans
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 144 over Lrd Allen Road is a concrete continuous slab carrying Sth 144 over Lrd Allen Road in Sheboygan County, Wisconsin. It was built in 1980, so it is 45 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 1,900 vehicles a day, roughly 10% of them trucks, projected to reach 1,900 by 2043. The structure is 223 ft (68 m) long and 43 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesSth 144
CrossesLrd Allen Road
Location1.2M S JCT Sth 57 to N
RouteState Highway 144
Coordinates43.55962, -87.96212
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length223 ft (68 m)
Longest span58 ft (17.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic1,900 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed28 mi (45 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 Sth 144 over Lrd Allen Road built?

It was built in 1980, making it 45 years old in 2025.

What condition is Sth 144 over Lrd Allen Road 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 2024.

How much traffic does Sth 144 over Lrd Allen Road carry?

About 1,900 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Sth 144 over Lrd Allen Road?

The structure is 223 ft (68 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.

Who owns Sth 144 over Lrd Allen Road?

It is owned by the State Highway Agency.