US Bridges

Sth 77-LAKE DR over Devils Creek

Fair

Ashland County, Wisconsin · 0.5M E JCT Sth 13 to N · Structure no. B02000900000000

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Frame
Concrete Continuous
Length
38 ft
1 main span
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 77-LAKE DR over Devils Creek is a concrete continuous frame carrying Sth 77-LAKE DR over Devils Creek in Ashland County, Wisconsin. It was built in 1964, so it is 61 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 5 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 1,600 vehicles a day, roughly 8% of them trucks, projected to reach 2,040 by 2042. The structure is 38 ft (11.7 m) long and 41 ft wide. If it were closed, the detour would be 28.6 mi (46 km).

Location

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CarriesSth 77-LAKE DR
CrossesDevils Creek
Location0.5M E JCT Sth 13 to N
RouteState Highway 77
CountyAshland County
StateWisconsin
Coordinates46.32127, -90.65198
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
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.7 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic2,040 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28.6 mi (46 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 77-LAKE DR over Devils Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Sth 77-LAKE DR over Devils Creek 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 October 2023.

How much traffic does Sth 77-LAKE DR over Devils Creek carry?

About 1,600 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 77-LAKE DR over Devils Creek?

The structure is 38 ft (11.7 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns Sth 77-LAKE DR over Devils Creek?

It is owned by the State Highway Agency.