US Bridges

US-24 over CSX RR

Fair

Monroe County, Michigan · 1.5 MI SW of M-125 · Structure no. 000000000007129

Built
1925
100 years old, rebuilt 2006
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
138 ft
3 main spans
Daily traffic
18,282
2007 count
Owner
State
State Highway Agency

About this bridge

US-24 over CSX RR is a steel continuous stringer/multi-beam or girder carrying US-24 over CSX RR in Monroe County, Michigan. It was built in 1925 and reconstructed in 2006, so it is 100 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 5 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 18,282 vehicles a day, roughly 4% of them trucks, projected to reach 18,700 by 2025. The structure is 138 ft (42 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-24
CrossesCSX RR
Location1.5 MI SW of M-125
RouteU.S. Route 24
Coordinates41.96404, -83.38872
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length138 ft (42 m)
Longest span46 ft (14.1 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,282 (2007)
Projected traffic18,700 by 2025
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-24 over CSX RR built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2006.

What condition is US-24 over CSX RR 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 CSX RR carry?

About 18,282 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is US-24 over CSX RR?

The structure is 138 ft (42 m) long with a longest span of 46 ft (14.1 m) and a deck 54 ft wide.

Who owns US-24 over CSX RR?

It is owned by the State Highway Agency.