US Bridges

US 24 Detroit Ave. over Ottawa River

Fair

Lucas County, Ohio · Jct. I-75 & Ottawa River · Structure no. 4801741

Built
1971
54 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
111 ft
2 main spans
Daily traffic
10,013
2018 count
Owner
State
State Highway Agency

About this bridge

US 24 Detroit Ave. over Ottawa River is a steel continuous stringer/multi-beam or girder carrying US 24 Detroit Ave. over Ottawa River in Lucas County, Ohio. It was built in 1971, so it is 54 years old, older than the Ohio average of 47.3 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 10,013 vehicles a day, roughly 6% of them trucks, projected to reach 13,136 by 2038. The structure is 111 ft (33.8 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 24 Detroit Ave.
CrossesOttawa River
LocationJct. I-75 & Ottawa River
RouteU.S. Route 24
StateOhio
Coordinates41.68777, -83.55523
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating64.3 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span54 ft (16.5 m)
Deck width100 ft (30.6 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,013 (2018)
Projected traffic13,136 by 2038
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 24 Detroit Ave. over Ottawa River built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 24 Detroit Ave. over Ottawa River 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 November 2024.

How much traffic does US 24 Detroit Ave. over Ottawa River carry?

About 10,013 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is US 24 Detroit Ave. over Ottawa River?

The structure is 111 ft (33.8 m) long with a longest span of 54 ft (16.5 m) and a deck 100 ft wide.

Who owns US 24 Detroit Ave. over Ottawa River?

It is owned by the State Highway Agency.