US Bridges

Seven Hills C329 over SR 11

Good

Ashtabula County, Ohio · 1.16 MI N of Ir 90 · Structure no. 0401536

Built
1961
64 years old, rebuilt 2001
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
285 ft
4 main spans
Daily traffic
1,297
2016 count
Owner
State
State Highway Agency

About this bridge

Seven Hills C329 over SR 11 is a steel continuous stringer/multi-beam or girder carrying Seven Hills C329 over SR 11 in Ashtabula County, Ohio. It was built in 1961 and reconstructed in 2001, so it is 64 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 1,297 vehicles a day, roughly 7% of them trucks, projected to reach 1,800 by 2036. The structure is 285 ft (86.9 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSeven Hills C329
CrossesSR 11
Location1.16 MI N of Ir 90
RouteCounty Highway 329
StateOhio
Coordinates41.84423, -80.766
Functional classRural Local

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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span92 ft (28 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,297 (2016)
Projected traffic1,800 by 2036
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Seven Hills C329 over SR 11 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2001.

What condition is Seven Hills C329 over SR 11 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 Seven Hills C329 over SR 11 carry?

About 1,297 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is Seven Hills C329 over SR 11?

The structure is 285 ft (86.9 m) long with a longest span of 92 ft (28 m) and a deck 36 ft wide.

Who owns Seven Hills C329 over SR 11?

It is owned by the State Highway Agency.