US Bridges

Zimmer Road over Red Cedar River

Fair

Ingham County, Michigan · 2 MI NW of Williamston · Structure no. 000000000003924

Built
2013
12 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
172 ft
3 main spans
Daily traffic
1,950
2013 count
Owner
County
County Highway Agency

About this bridge

Zimmer Road over Red Cedar River is a prestressed concrete box beam or girders - single or spread carrying Zimmer Road over Red Cedar River in Ingham County, Michigan. It was built in 2013, so it is 12 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 1,950 vehicles a day, roughly 1% of them trucks, projected to reach 3,200 by 2033. The structure is 172 ft (52.3 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesZimmer Road
CrossesRed Cedar River
Location2 MI NW of Williamston
RouteCounty Highway 0
CountyIngham County
StateMichigan
Coordinates42.70646, -84.31424
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length172 ft (52.3 m)
Longest span65 ft (19.7 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2013)
Projected traffic3,200 by 2033
Trucks1%
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 Zimmer Road over Red Cedar River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Zimmer Road over Red Cedar River 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 Zimmer Road over Red Cedar River carry?

About 1,950 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Zimmer Road over Red Cedar River?

The structure is 172 ft (52.3 m) long with a longest span of 65 ft (19.7 m) and a deck 38 ft wide.

Who owns Zimmer Road over Red Cedar River?

It is owned by the County Highway Agency.