US Bridges

F-97|MAPLE Valley over M-55 WB

Fair

Roscommon County, Michigan · 0.4 MI N of Maple Valley · Structure no. 000000000009020

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
333 ft
3 main spans
Daily traffic
500
1988 count
Owner
State
State Highway Agency

About this bridge

F-97|MAPLE Valley over M-55 WB is a steel stringer/multi-beam or girder carrying F-97|MAPLE Valley over M-55 WB in Roscommon County, Michigan. It was built in 1971, so it is 54 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 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 500 vehicles a day, roughly 3% of them trucks, projected to reach 400 by 1989. The structure is 333 ft (101.5 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesF-97|MAPLE Valley
CrossesM-55 WB
Location0.4 MI N of Maple Valley
RouteCounty Highway 97
CountyRoscommon County
StateMichigan
Coordinates44.31402, -84.49156
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 alignment6: Equal to present minimum criteria
Operating rating80 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length333 ft (101.5 m)
Longest span125 ft (38 m)
Deck width42 ft (12.9 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1988)
Projected traffic400 by 1989
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 F-97|MAPLE Valley over M-55 WB built?

It was built in 1971, making it 54 years old in 2025.

What condition is F-97|MAPLE Valley over M-55 WB 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 September 2023.

How much traffic does F-97|MAPLE Valley over M-55 WB carry?

About 500 vehicles per day (1988 count), of which roughly 3% are trucks.

How long is F-97|MAPLE Valley over M-55 WB?

The structure is 333 ft (101.5 m) long with a longest span of 125 ft (38 m) and a deck 42 ft wide.

Who owns F-97|MAPLE Valley over M-55 WB?

It is owned by the State Highway Agency.