US Bridges

T-18 over E Enon RD Clear CR

Good

Clark County, Ohio · 1/2MI E Mud Run RD · Structure no. 1252798

Built
1981
44 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
7,060
1992 count
Owner
County
County Highway Agency

About this bridge

T-18 over E Enon RD Clear CR is a prestressed concrete box beam or girders - multiple carrying T-18 over E Enon RD Clear CR in Clark County, Ohio. It was built in 1981, so it is 44 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 7,060 vehicles a day, projected to reach 9,799 by 2012. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-18
CrossesE Enon RD Clear CR
Location1/2MI E Mud Run RD
RouteCounty Highway 18
StateOhio
Coordinates39.82817, -83.92855
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,060 (1992)
Projected traffic9,799 by 2012
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 T-18 over E Enon RD Clear CR built?

It was built in 1981, making it 44 years old in 2025.

What condition is T-18 over E Enon RD Clear CR 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 October 2024.

How much traffic does T-18 over E Enon RD Clear CR carry?

About 7,060 vehicles per day (1992 count).

How long is T-18 over E Enon RD Clear CR?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns T-18 over E Enon RD Clear CR?

It is owned by the County Highway Agency.