US Bridges

North Road over Shiawassee River

PoorPosted for load

Genesee County, Michigan · In Fenton · Structure no. 000000000002823

Built
1958
67 years old
Condition
Poor
inspected September 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
8,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Road over Shiawassee River is a steel culvert carrying North Road over Shiawassee River in Genesee County, Michigan. It was built in 1958, so it is 67 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 8,500 vehicles a day, roughly 10% of them trucks, projected to reach 12,500 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNorth Road
CrossesShiawassee River
LocationIn Fenton
RouteCity Street 0
CountyGenesee County
StateMichigan
Coordinates42.8062, -83.70851
Functional classUrban Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19 US tons
Inventory rating11.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2022)
Projected traffic12,500 by 2042
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was North Road over Shiawassee River built?

It was built in 1958, making it 67 years old in 2025.

What condition is North Road over Shiawassee 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 September 2024.

How much traffic does North Road over Shiawassee River carry?

About 8,500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is North Road over Shiawassee River?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m).

Who owns North Road over Shiawassee River?

It is owned by the City or Municipal Highway Agency.