US Bridges

County Road 12 over Trail Run L. Dunlap

Good

Carroll County, Ohio · 200 Ft North of Cco 27 · Structure no. 1033182

Built
2004
21 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
1,084
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 12 over Trail Run L. Dunlap is a steel stringer/multi-beam or girder carrying County Road 12 over Trail Run L. Dunlap in Carroll County, Ohio. It was built in 2004, so it is 21 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 1,084 vehicles a day, roughly 8% of them trucks, projected to reach 1,505 by 2035. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road 12
CrossesTrail Run L. Dunlap
Location200 Ft North of Cco 27
RouteCounty Highway C0012
StateOhio
Coordinates40.5314, -80.98585
Functional classRural Minor Collector

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,084 (2015)
Projected traffic1,505 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 County Road 12 over Trail Run L. Dunlap built?

It was built in 2004, making it 21 years old in 2025.

What condition is County Road 12 over Trail Run L. Dunlap 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 April 2024.

How much traffic does County Road 12 over Trail Run L. Dunlap carry?

About 1,084 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 12 over Trail Run L. Dunlap?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns County Road 12 over Trail Run L. Dunlap?

It is owned by the County Highway Agency.