US Bridges

Lincoln ST over Chippewa River Channel

FairPosted for load

Isabella County, Michigan · In Mt Pleasant · Structure no. 000000000004380

Built
1910
115 years old, rebuilt 1994
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
76 ft
1 main span
Daily traffic
2,161
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lincoln ST over Chippewa River Channel is a concrete arch - deck carrying Lincoln ST over Chippewa River Channel in Isabella County, Michigan. It was built in 1910 and reconstructed in 1994, so it is 115 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. Its operating status is: posted for load restriction.

It carries about 2,161 vehicles a day, roughly 2% of them trucks, projected to reach 2,637 by 2039. The structure is 76 ft (23.1 m) long and 37 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

Location

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CarriesLincoln ST
CrossesChippewa River Channel
LocationIn Mt Pleasant
RouteCity Street 0
CountyIsabella County
StateMichigan
Coordinates43.60721, -84.77759
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length76 ft (23.1 m)
Longest span70 ft (21.3 m)
Deck width37 ft (11.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,161 (2019)
Projected traffic2,637 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed124.3 mi (200 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lincoln ST over Chippewa River Channel built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1994.

What condition is Lincoln ST over Chippewa River Channel 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 July 2024.

How much traffic does Lincoln ST over Chippewa River Channel carry?

About 2,161 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Lincoln ST over Chippewa River Channel?

The structure is 76 ft (23.1 m) long with a longest span of 70 ft (21.3 m) and a deck 37 ft wide.

Who owns Lincoln ST over Chippewa River Channel?

It is owned by the City or Municipal Highway Agency.