US Bridges

Fourteen Mile over Franklin River

Poor

Oakland County, Michigan · East of Franklin · Structure no. 000000000008195

Built
1961
64 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
3,770
2023 count
Owner
County
County Highway Agency

About this bridge

Fourteen Mile over Franklin River is a steel culvert carrying Fourteen Mile over Franklin River in Oakland County, Michigan. It was built in 1961, so it is 64 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 3,770 vehicles a day, roughly 5% of them trucks, projected to reach 5,080 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFourteen Mile
CrossesFranklin River
LocationEast of Franklin
RouteCounty Highway 2059
Coordinates42.52969, -83.30417
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,770 (2023)
Projected traffic5,080 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Fourteen Mile over Franklin River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Fourteen Mile over Franklin 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 August 2024.

How much traffic does Fourteen Mile over Franklin River carry?

About 3,770 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Fourteen Mile over Franklin River?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.6 m).

Who owns Fourteen Mile over Franklin River?

It is owned by the County Highway Agency.