US Bridges

SR 184 over Ann Arbor R.R.

Good

Lucas County, Ohio · 1.5 Mile West of Ir 75 · Structure no. 4805119

Built
1975
50 years old, rebuilt 2013
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
4 main spans
Daily traffic
24,599
2019 count
Owner
State
State Highway Agency

About this bridge

SR 184 over Ann Arbor R.R. is a steel continuous stringer/multi-beam or girder carrying SR 184 over Ann Arbor R.R. in Lucas County, Ohio. It was built in 1975 and reconstructed in 2013, so it is 50 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,599 vehicles a day, roughly 3% of them trucks, projected to reach 32,729 by 2039. The structure is 232 ft (70.7 m) long and 72 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 184
CrossesAnn Arbor R.R.
Location1.5 Mile West of Ir 75
RouteState Highway 184
CountyLucas County
StateOhio
Coordinates41.72245, -83.5313
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length232 ft (70.7 m)
Longest span67 ft (20.4 m)
Deck width72 ft (22 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,599 (2019)
Projected traffic32,729 by 2039
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed9.9 mi (16 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 SR 184 over Ann Arbor R.R. built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2013.

What condition is SR 184 over Ann Arbor R.R. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does SR 184 over Ann Arbor R.R. carry?

About 24,599 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is SR 184 over Ann Arbor R.R.?

The structure is 232 ft (70.7 m) long with a longest span of 67 ft (20.4 m) and a deck 72 ft wide.

Who owns SR 184 over Ann Arbor R.R.?

It is owned by the State Highway Agency.