US Bridges

Falmouth Road over Marks Creek

Fair

Missaukee County, Michigan · Section 5/8 T21N R7W · Structure no. 000000000007037

Built
1945
80 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
915
2019 count
Owner
County
County Highway Agency

About this bridge

Falmouth Road over Marks Creek is a concrete tee beam carrying Falmouth Road over Marks Creek in Missaukee County, Michigan. It was built in 1945, so it is 80 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 915 vehicles a day, roughly 10% of them trucks, projected to reach 1,300 by 2039. The structure is 31 ft (9.4 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFalmouth Road
CrossesMarks Creek
LocationSection 5/8 T21N R7W
RouteCounty Highway 5724
CountyMissaukee County
StateMichigan
Coordinates44.23664, -85.18411
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic915 (2019)
Projected traffic1,300 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Falmouth Road over Marks Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Falmouth Road over Marks 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 May 2023.

How much traffic does Falmouth Road over Marks Creek carry?

About 915 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Falmouth Road over Marks Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns Falmouth Road over Marks Creek?

It is owned by the County Highway Agency.