US Bridges

Williamston RD over I-96

Fair

Ingham County, Michigan · 4.4 MI W of M-43 & M-52 · Structure no. 000000000003832

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
339 ft
6 main spans
Daily traffic
3,375
2018 count
Owner
State
State Highway Agency

About this bridge

Williamston RD over I-96 is a prestressed concrete stringer/multi-beam or girder carrying Williamston RD over I-96 in Ingham County, Michigan. It was built in 1962, so it is 63 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 3,375 vehicles a day, roughly 1% of them trucks, projected to reach 3,881 by 2038. The structure is 339 ft (103.4 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesWilliamston RD
CrossesI-96
Location4.4 MI W of M-43 & M-52
RouteCounty Highway 0
CountyIngham County
StateMichigan
Coordinates42.66526, -84.28211
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length339 ft (103.4 m)
Longest span67 ft (20.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,375 (2018)
Projected traffic3,881 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$51,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Williamston RD over I-96 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Williamston RD over I-96 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 2024.

How much traffic does Williamston RD over I-96 carry?

About 3,375 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Williamston RD over I-96?

The structure is 339 ft (103.4 m) long with a longest span of 67 ft (20.5 m) and a deck 35 ft wide.

Who owns Williamston RD over I-96?

It is owned by the State Highway Agency.