US Bridges

Monroe Street over Usr 23

Fair

Lucas County, Ohio · Monroe SR 51 over Usr 23 · Structure no. 4805224

Built
1960
65 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
280 ft
4 main spans
Daily traffic
37,274
2019 count
Owner
State
State Highway Agency

About this bridge

Monroe Street over Usr 23 is a steel continuous stringer/multi-beam or girder carrying Monroe Street over Usr 23 in Lucas County, Ohio. It was built in 1960, so it is 65 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 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 37,274 vehicles a day, roughly 2% of them trucks, projected to reach 44,500 by 2039. The structure is 280 ft (85.3 m) long and 67 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMonroe Street
CrossesUsr 23
LocationMonroe SR 51 over Usr 23
RouteState Highway 51
StateOhio
Coordinates41.71553, -83.68781
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span87 ft (26.5 m)
Deck width67 ft (20.3 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,274 (2019)
Projected traffic44,500 by 2039
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 km)
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 Monroe Street over Usr 23 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Monroe Street over Usr 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 January 2025.

How much traffic does Monroe Street over Usr 23 carry?

About 37,274 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Monroe Street over Usr 23?

The structure is 280 ft (85.3 m) long with a longest span of 87 ft (26.5 m) and a deck 67 ft wide.

Who owns Monroe Street over Usr 23?

It is owned by the State Highway Agency.