US Bridges

C338A Cobb-Harrimn over Rush Creek

Good

Union County, Ohio · 0.25MI S of SR739 · Structure no. 8055300

Built
2013
12 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
112 ft
2 main spans
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

C338A Cobb-Harrimn over Rush Creek is a steel continuous stringer/multi-beam or girder carrying C338A Cobb-Harrimn over Rush Creek in Union County, Ohio. It was built in 2013, so it is 12 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2041. The structure is 112 ft (34.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesC338A Cobb-Harrimn
CrossesRush Creek
Location0.25MI S of SR739
RouteCounty Highway C0338
CountyUnion County
StateOhio
Coordinates40.47534, -83.36296
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length112 ft (34.1 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-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 C338A Cobb-Harrimn over Rush Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is C338A Cobb-Harrimn over Rush 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 August 2024.

How much traffic does C338A Cobb-Harrimn over Rush Creek carry?

About 324 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is C338A Cobb-Harrimn over Rush Creek?

The structure is 112 ft (34.1 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns C338A Cobb-Harrimn over Rush Creek?

It is owned by the County Highway Agency.