US Bridges

Ir 280 over Seaman Rd.

Good

Lucas County, Ohio · 0.60 MI SE of SR 65 · Structure no. 4805763

Built
1957
68 years old, rebuilt 2003
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
52,360
2019 count
Owner
State
State Highway Agency

About this bridge

Ir 280 over Seaman Rd. is a steel stringer/multi-beam or girder carrying Ir 280 over Seaman Rd. in Lucas County, Ohio. It was built in 1957 and reconstructed in 2003, so it is 68 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 52,360 vehicles a day, roughly 11% of them trucks, projected to reach 58,000 by 2039. The structure is 60 ft (18.3 m) long and 146 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIr 280
CrossesSeaman Rd.
Location0.60 MI SE of SR 65
RouteInterstate 280
StateOhio
Coordinates41.65011, -83.50185
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width146 ft (44.5 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,360 (2019)
Projected traffic58,000 by 2039
Trucks11%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Ir 280 over Seaman Rd. built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2003.

What condition is Ir 280 over Seaman Rd. 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 November 2024.

How much traffic does Ir 280 over Seaman Rd. carry?

About 52,360 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is Ir 280 over Seaman Rd.?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 146 ft wide.

Who owns Ir 280 over Seaman Rd.?

It is owned by the State Highway Agency.