US Bridges

County Line Road over Over Alum Creek

Good

Delaware County, Ohio · 0.27 MI W of JCT Clev Ave · Structure no. 2170580

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
238 ft
3 main spans
Daily traffic
19,147
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

County Line Road over Over Alum Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying County Line Road over Over Alum Creek in Delaware County, Ohio. It was built in 2005, so it is 20 years old, younger 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 19,147 vehicles a day, roughly 7% of them trucks, projected to reach 26,576 by 2035. The structure is 238 ft (72.5 m) long and 67 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Line Road
CrossesOver Alum Creek
Location0.27 MI W of JCT Clev Ave
RouteCounty Highway CTYLR
CountyDelaware County
StateOhio
Coordinates40.13778, -82.9525
Functional classUrban Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length238 ft (72.5 m)
Longest span77 ft (23.5 m)
Deck width67 ft (20.3 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,147 (2015)
Projected traffic26,576 by 2035
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 County Line Road over Over Alum Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Line Road over Over Alum Creek 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 May 2023.

How much traffic does County Line Road over Over Alum Creek carry?

About 19,147 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County Line Road over Over Alum Creek?

The structure is 238 ft (72.5 m) long with a longest span of 77 ft (23.5 m) and a deck 67 ft wide.

Who owns County Line Road over Over Alum Creek?

It is owned by the City or Municipal Highway Agency.