US Bridges

Shagbark Road over Sargent Creek

Good

Oakland County, Michigan · 0.3 MI N of Walton Blvd · Structure no. 000000000008280

Built
1965
60 years old, rebuilt 2002
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
809
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shagbark Road over Sargent Creek is a concrete culvert carrying Shagbark Road over Sargent Creek in Oakland County, Michigan. It was built in 1965 and reconstructed in 2002, so it is 60 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 809 vehicles a day, roughly 3% of them trucks, projected to reach 809 by 2013. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesShagbark Road
CrossesSargent Creek
Location0.3 MI N of Walton Blvd
RouteCity Street 0
Coordinates42.68461, -83.16373
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic809 (2008)
Projected traffic809 by 2013
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Shagbark Road over Sargent Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2002.

What condition is Shagbark Road over Sargent Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Shagbark Road over Sargent Creek carry?

About 809 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Shagbark Road over Sargent Creek?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.6 m).

Who owns Shagbark Road over Sargent Creek?

It is owned by the City or Municipal Highway Agency.