US Bridges

Old US-23 over US-23

Fair

Genesee County, Michigan · Owen RD (1 MI W / Fenton) · Structure no. 000000000002477

Built
1957
68 years old, rebuilt 1994
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
266 ft
4 main spans
Daily traffic
16,244
2005 count
Owner
State
State Highway Agency

About this bridge

Old US-23 over US-23 is a prestressed concrete box beam or girders - single or spread carrying Old US-23 over US-23 in Genesee County, Michigan. It was built in 1957 and reconstructed in 1994, so it is 68 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 16,244 vehicles a day, roughly 3% of them trucks, projected to reach 19,132 by 2018. The structure is 266 ft (81.1 m) long and 83 ft wide.

CarriesOld US-23
CrossesUS-23
LocationOwen RD (1 MI W / Fenton)
RouteU.S. Route 23
Coordinates42.78973, -83.73842
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span73 ft (22.2 m)
Deck width83 ft (25.4 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,244 (2005)
Projected traffic19,132 by 2018
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old US-23 over US-23 built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1994.

What condition is Old US-23 over US-23 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 July 2024.

How much traffic does Old US-23 over US-23 carry?

About 16,244 vehicles per day (2005 count), of which roughly 3% are trucks.

How long is Old US-23 over US-23?

The structure is 266 ft (81.1 m) long with a longest span of 73 ft (22.2 m) and a deck 83 ft wide.

Who owns Old US-23 over US-23?

It is owned by the State Highway Agency.