US Bridges

East Lock RD over Twin Creek

Good

Preble County, Ohio · .4 N of Swishers Mill RD · Structure no. 6837476

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

East Lock RD over Twin Creek is a prestressed concrete box beam or girders - multiple carrying East Lock RD over Twin Creek in Preble County, Ohio. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 104 ft (31.7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesEast Lock RD
CrossesTwin Creek
Location.4 N of Swishers Mill RD
RouteCounty Highway T0444
StateOhio
Coordinates39.86613, -84.56847
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length104 ft (31.7 m)
Longest span99 ft (30.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-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 East Lock RD over Twin Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is East Lock RD over Twin 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 July 2024.

How much traffic does East Lock RD over Twin Creek carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is East Lock RD over Twin Creek?

The structure is 104 ft (31.7 m) long with a longest span of 99 ft (30.2 m) and a deck 24 ft wide.

Who owns East Lock RD over Twin Creek?

It is owned by the County Highway Agency.