US Bridges

Stevenson over Flint River

PoorPosted for load

Genesee County, Michigan · In Flint · Structure no. 000000000002839

Built
1968
57 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
215 ft
4 main spans
Daily traffic
294
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stevenson over Flint River is a steel stringer/multi-beam or girder carrying Stevenson over Flint River in Genesee County, Michigan. It was built in 1968, so it is 57 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 294 vehicles a day, roughly 10% of them trucks, projected to reach 359 by 2041. The structure is 215 ft (65.5 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStevenson
CrossesFlint River
LocationIn Flint
RouteCity Street 2002
Coordinates43.01426, -83.70377
Functional classUrban Minor Arterial

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 alignment7: Better than present minimum criteria
Operating rating26.5 US tons
Inventory rating16.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length215 ft (65.5 m)
Longest span60 ft (18.2 m)
Deck width42 ft (12.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic294 (2021)
Projected traffic359 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$40,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stevenson over Flint River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Stevenson over Flint River 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 December 2024.

How much traffic does Stevenson over Flint River carry?

About 294 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Stevenson over Flint River?

The structure is 215 ft (65.5 m) long with a longest span of 60 ft (18.2 m) and a deck 42 ft wide.

Who owns Stevenson over Flint River?

It is owned by the City or Municipal Highway Agency.