US Bridges

Maple Ave over Thread River

Good

Genesee County, Michigan · Bet Dort & Center RD · Structure no. 000000000002713

Built
2011
14 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
8,600
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maple Ave over Thread River is a prestressed concrete box beam or girders - multiple carrying Maple Ave over Thread River in Genesee County, Michigan. It was built in 2011, so it is 14 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,600 vehicles a day, roughly 5% of them trucks, projected to reach 10,500 by 2030. The structure is 64 ft (19.5 m) long and 53 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMaple Ave
CrossesThread River
LocationBet Dort & Center RD
RouteCity Street 2002
Coordinates42.96035, -83.64357
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.7 US tons
Inventory rating61.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span61 ft (18.7 m)
Deck width53 ft (16.2 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2010)
Projected traffic10,500 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Maple Ave over Thread River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Maple Ave over Thread River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Maple Ave over Thread River carry?

About 8,600 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Maple Ave over Thread River?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.7 m) and a deck 53 ft wide.

Who owns Maple Ave over Thread River?

It is owned by the City or Municipal Highway Agency.