US Bridges

Har Twp 150 over Willow Run Seaburn BN33

Good

Carroll County, Ohio · 300 Ft East of Cco 29 · Structure no. 1031252

Built
1966
59 years old, rebuilt 1994
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
96
2015 count
Owner
County
County Highway Agency

About this bridge

Har Twp 150 over Willow Run Seaburn BN33 is a steel stringer/multi-beam or girder carrying Har Twp 150 over Willow Run Seaburn BN33 in Carroll County, Ohio. It was built in 1966 and reconstructed in 1994, so it is 59 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 96 vehicles a day, roughly 7% of them trucks, projected to reach 133 by 2035. The structure is 29 ft (8.8 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHar Twp 150
CrossesWillow Run Seaburn BN33
Location300 Ft East of Cco 29
RouteCounty Highway T0150
StateOhio
Coordinates40.59965, -81.19105
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2015)
Projected traffic133 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Har Twp 150 over Willow Run Seaburn BN33 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1994.

What condition is Har Twp 150 over Willow Run Seaburn BN33 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 April 2024.

How much traffic does Har Twp 150 over Willow Run Seaburn BN33 carry?

About 96 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Har Twp 150 over Willow Run Seaburn BN33?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns Har Twp 150 over Willow Run Seaburn BN33?

It is owned by the County Highway Agency.