US Bridges

Grand Blanc Road over Jones Creek

FairPosted for load

Genesee County, Michigan · Bet Duffield & Nichols RD · Structure no. 000000000002707

Built
1928
97 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
3,691
2018 count
Owner
County
County Highway Agency

About this bridge

Grand Blanc Road over Jones Creek is a concrete tee beam carrying Grand Blanc Road over Jones Creek in Genesee County, Michigan. It was built in 1928, so it is 97 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. Its operating status is: posted for load restriction.

It carries about 3,691 vehicles a day, roughly 5% of them trucks, projected to reach 6,667 by 2038. The structure is 27 ft (8.2 m) long and 37 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesGrand Blanc Road
CrossesJones Creek
LocationBet Duffield & Nichols RD
RouteCounty Highway 2530
Coordinates42.91263, -83.90716
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.
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 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width37 ft (11.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,691 (2018)
Projected traffic6,667 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Grand Blanc Road over Jones Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is Grand Blanc Road over Jones 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 November 2024.

How much traffic does Grand Blanc Road over Jones Creek carry?

About 3,691 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Grand Blanc Road over Jones Creek?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 37 ft wide.

Who owns Grand Blanc Road over Jones Creek?

It is owned by the County Highway Agency.