US Bridges

Curley Lewis FH42 over Ankodosh Creek

Fair

Chippewa County, Michigan · At Tahquamenon Bay · Structure no. 000000000001642

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
83
1986 count
Owner
County
County Highway Agency

About this bridge

Curley Lewis FH42 over Ankodosh Creek is a prestressed concrete box beam or girders - multiple carrying Curley Lewis FH42 over Ankodosh Creek in Chippewa County, Michigan. It was built in 1969, so it is 56 years old, older than the Michigan average of 48.3 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 83 vehicles a day, projected to reach 145 by 2019. The structure is 35 ft (10.6 m) long and 33 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCurley Lewis FH42
CrossesAnkodosh Creek
LocationAt Tahquamenon Bay
RouteCounty Highway 1760
Coordinates46.47748, -84.99897
Functional classRural Major Collector

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 inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length35 ft (10.6 m)
Longest span32 ft (9.7 m)
Deck width33 ft (10.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83 (1986)
Projected traffic145 by 2019
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Curley Lewis FH42 over Ankodosh Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Curley Lewis FH42 over Ankodosh 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 June 2023.

How much traffic does Curley Lewis FH42 over Ankodosh Creek carry?

About 83 vehicles per day (1986 count).

How long is Curley Lewis FH42 over Ankodosh Creek?

The structure is 35 ft (10.6 m) long with a longest span of 32 ft (9.7 m) and a deck 33 ft wide.

Who owns Curley Lewis FH42 over Ankodosh Creek?

It is owned by the County Highway Agency.