US Bridges

M-43 over Deer Creek

Fair

Ingham County, Michigan · In Williamston · Structure no. 000000000003798

Built
2001
24 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
12,042
2007 count
Owner
State
State Highway Agency

About this bridge

M-43 over Deer Creek is a prestressed concrete box beam or girders - single or spread carrying M-43 over Deer Creek in Ingham County, Michigan. It was built in 2001, so it is 24 years old, younger 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 12,042 vehicles a day, roughly 3% of them trucks, projected to reach 11,693 by 2018. The structure is 33 ft (10.1 m) long and 65 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM-43
CrossesDeer Creek
LocationIn Williamston
RouteState Highway 43
Coordinates42.68784, -84.29022
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating59.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span31 ft (9.6 m)
Deck width65 ft (19.9 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,042 (2007)
Projected traffic11,693 by 2018
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-43 over Deer Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is M-43 over Deer 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 August 2024.

How much traffic does M-43 over Deer Creek carry?

About 12,042 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is M-43 over Deer Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.6 m) and a deck 65 ft wide.

Who owns M-43 over Deer Creek?

It is owned by the State Highway Agency.