US Bridges

M-24 over Fostoria Drain

Poor

Lapeer County, Michigan · 1.5 MI N of M-90 · Structure no. 000000000005304

Built
1974
51 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
4,293
2007 count
Owner
State
State Highway Agency

About this bridge

M-24 over Fostoria Drain is a steel stringer/multi-beam or girder carrying M-24 over Fostoria Drain in Lapeer County, Michigan. It was built in 1974, so it is 51 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 4 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.

It carries about 4,293 vehicles a day, roughly 8% of them trucks, projected to reach 7,618 by 2018. The structure is 32 ft (9.7 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM-24
CrossesFostoria Drain
Location1.5 MI N of M-90
RouteState Highway 24
Coordinates43.24338, -83.31501
Functional classRural 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.7 m)
Longest span32 ft (9.7 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,293 (2007)
Projected traffic7,618 by 2018
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-24 over Fostoria Drain built?

It was built in 1974, making it 51 years old in 2025.

What condition is M-24 over Fostoria Drain 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 May 2024.

How much traffic does M-24 over Fostoria Drain carry?

About 4,293 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is M-24 over Fostoria Drain?

The structure is 32 ft (9.7 m) long with a longest span of 32 ft (9.7 m) and a deck 46 ft wide.

Who owns M-24 over Fostoria Drain?

It is owned by the State Highway Agency.