US Bridges

Maple RD over I-75

Fair

Genesee County, Michigan · 0.4 MI S of Flint · Structure no. 000000000002484

Built
1957
68 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
172 ft
3 main spans
Daily traffic
6,500
2013 count
Owner
State
State Highway Agency

About this bridge

Maple RD over I-75 is a steel stringer/multi-beam or girder carrying Maple RD over I-75 in Genesee County, Michigan. It was built in 1957, so it is 68 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 5 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 6,500 vehicles a day, roughly 3% of them trucks, projected to reach 7,180 by 2033. The structure is 172 ft (52.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMaple RD
CrossesI-75
Location0.4 MI S of Flint
RouteCounty Highway 2002
CountyGenesee County
StateMichigan
Coordinates42.95903, -83.7251
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.1 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length172 ft (52.3 m)
Longest span53 ft (16.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2013)
Projected traffic7,180 by 2033
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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$124,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Maple RD over I-75 built?

It was built in 1957, making it 68 years old in 2025.

What condition is Maple RD over I-75 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 May 2023.

How much traffic does Maple RD over I-75 carry?

About 6,500 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is Maple RD over I-75?

The structure is 172 ft (52.3 m) long with a longest span of 53 ft (16.2 m) and a deck 33 ft wide.

Who owns Maple RD over I-75?

It is owned by the State Highway Agency.