US Bridges

Swan Creek Road over Little Swan Creek

Good

Monroe County, Michigan · 0.5 MI N of Township Line · Structure no. 000000000007316

Built
1997
28 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
260
2019 count
Owner
County
County Highway Agency

About this bridge

Swan Creek Road over Little Swan Creek is a concrete culvert carrying Swan Creek Road over Little Swan Creek in Monroe County, Michigan. It was built in 1997, so it is 28 years old, younger 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 260 vehicles a day, roughly 13% of them trucks, projected to reach 299 by 2039. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSwan Creek Road
CrossesLittle Swan Creek
Location0.5 MI N of Township Line
RouteCounty Highway 0
Coordinates41.98803, -83.28446
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7.1 m)
Longest span21 ft (6.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2019)
Projected traffic299 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Swan Creek Road over Little Swan Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Swan Creek Road over Little Swan 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 September 2023.

How much traffic does Swan Creek Road over Little Swan Creek carry?

About 260 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Swan Creek Road over Little Swan Creek?

The structure is 23 ft (7.1 m) long with a longest span of 21 ft (6.5 m).

Who owns Swan Creek Road over Little Swan Creek?

It is owned by the County Highway Agency.