US Bridges

Vassar Road over Butternut Creek

PoorPosted for load

Genesee County, Michigan · 2000 Ft South of Dodge RD · Structure no. 000000000002808

Built
1930
95 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
346
2009 count
Owner
County
County Highway Agency

About this bridge

Vassar Road over Butternut Creek is a concrete tee beam carrying Vassar Road over Butternut Creek in Genesee County, Michigan. It was built in 1930, so it is 95 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 346 vehicles a day, roughly 2% of them trucks, projected to reach 625 by 2029. The structure is 32 ft (9.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVassar Road
CrossesButternut Creek
Location2000 Ft South of Dodge RD
RouteCounty Highway 0
Coordinates43.14451, -83.58354
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26.1 US tons
Inventory rating15.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.7 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic346 (2009)
Projected traffic625 by 2029
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Vassar Road over Butternut Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Vassar Road over Butternut Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Vassar Road over Butternut Creek carry?

About 346 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Vassar Road over Butternut Creek?

The structure is 32 ft (9.7 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns Vassar Road over Butternut Creek?

It is owned by the County Highway Agency.