US Bridges

Seven Mile RD over Seven Mile Creek

Fair

Preble County, Ohio · 1st Br W of Ch 05 · Structure no. 6831826

Built
1906
119 years old, rebuilt 2014
Condition
Fair
inspected October 2024
Type
Truss - Thru
Steel
Length
155 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Seven Mile RD over Seven Mile Creek is a steel truss - thru carrying Seven Mile RD over Seven Mile Creek in Preble County, Ohio. It was built in 1906 and reconstructed in 2014, so it is 119 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 155 ft (47.2 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSeven Mile RD
CrossesSeven Mile Creek
Location1st Br W of Ch 05
RouteCounty Highway T0331
CountyPreble County
StateOhio
Coordinates39.67389, -84.62229
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating67.9 US tons
Inventory rating39.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span146 ft (44.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck12 ft (3.6 m)

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 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 statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Seven Mile RD over Seven Mile Creek built?

It was built in 1906, making it 119 years old in 2025. It was reconstructed in 2014.

What condition is Seven Mile RD over Seven Mile Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Seven Mile RD over Seven Mile Creek carry?

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

How long is Seven Mile RD over Seven Mile Creek?

The structure is 155 ft (47.2 m) long with a longest span of 146 ft (44.5 m) and a deck 16 ft wide.

Who owns Seven Mile RD over Seven Mile Creek?

It is owned by the County Highway Agency.