US Bridges

US-24 over Swan Creek

Fair

Monroe County, Michigan · 4.0 MI SW of Wayne Col · Structure no. 000000000007132

Built
1922
103 years old, rebuilt 1993
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
10,923
2007 count
Owner
State
State Highway Agency

About this bridge

US-24 over Swan Creek is a prestressed concrete stringer/multi-beam or girder carrying US-24 over Swan Creek in Monroe County, Michigan. It was built in 1922 and reconstructed in 1993, so it is 103 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,923 vehicles a day, roughly 3% of them trucks, projected to reach 12,658 by 2018. The structure is 103 ft (31.4 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-24
CrossesSwan Creek
Location4.0 MI SW of Wayne Col
RouteU.S. Route 24
Coordinates42.0427, -83.32997
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.4 m)
Longest span100 ft (30.4 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,923 (2007)
Projected traffic12,658 by 2018
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-24 over Swan Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1993.

What condition is US-24 over Swan Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does US-24 over Swan Creek carry?

About 10,923 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is US-24 over Swan Creek?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.4 m) and a deck 71 ft wide.

Who owns US-24 over Swan Creek?

It is owned by the State Highway Agency.