US Bridges

Curley Lewis FH42 over Roxbury Creek

Poor

Chippewa County, Michigan · At Tahquamenon Bay · Structure no. 000000000001641

Built
1974
51 years old
Condition
Poor
inspected June 2024
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 Roxbury Creek is a prestressed concrete box beam or girders - multiple carrying Curley Lewis FH42 over Roxbury Creek in Chippewa County, Michigan. It was built in 1974, so it is 51 years old, older than the Michigan average of 48.3 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 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
CrossesRoxbury Creek
LocationAt Tahquamenon Bay
RouteCounty Highway 1760
Coordinates46.47885, -85.01331
Functional classRural Major Collector

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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length35 ft (10.6 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 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 Roxbury Creek built?

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

What condition is Curley Lewis FH42 over Roxbury Creek 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 June 2024.

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

About 83 vehicles per day (1986 count).

How long is Curley Lewis FH42 over Roxbury Creek?

The structure is 35 ft (10.6 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns Curley Lewis FH42 over Roxbury Creek?

It is owned by the County Highway Agency.