US Bridges

Lrd 6th Ave over Little Sugar River

Poor

Green County, Wisconsin · 0.1M E JCT Sth 69 · Structure no. B23001300000000

Built
1976
49 years old
Condition
Poor
inspected May 2024
Type
Slab
Concrete Continuous
Length
57 ft
2 main spans
Daily traffic
590
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd 6th Ave over Little Sugar River is a concrete continuous slab carrying Lrd 6th Ave over Little Sugar River in Green County, Wisconsin. It was built in 1976, so it is 49 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 590 vehicles a day, projected to reach 649 by 2043. The structure is 57 ft (17.5 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd 6th Ave
CrossesLittle Sugar River
Location0.1M E JCT Sth 69
RouteCity Street 0
Coordinates42.8146, -89.63053
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length57 ft (17.5 m)
Longest span28 ft (8.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2022)
Projected traffic649 by 2043
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$293,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd 6th Ave over Little Sugar River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Lrd 6th Ave over Little Sugar River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Lrd 6th Ave over Little Sugar River carry?

About 590 vehicles per day (2022 count).

How long is Lrd 6th Ave over Little Sugar River?

The structure is 57 ft (17.5 m) long with a longest span of 28 ft (8.4 m) and a deck 30 ft wide.

Who owns Lrd 6th Ave over Little Sugar River?

It is owned by the City or Municipal Highway Agency.