US Bridges

Cynthiana RD #17 over Heads Branch

Fair

Highland County, Ohio · East of ST RTE 753 · Structure no. 3631044

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
399
2024 count
Owner
County
County Highway Agency

About this bridge

Cynthiana RD #17 over Heads Branch is a steel stringer/multi-beam or girder carrying Cynthiana RD #17 over Heads Branch in Highland County, Ohio. It was built in 1955, so it is 70 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 5 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 399 vehicles a day, roughly 22% of them trucks, projected to reach 362 by 2035. The structure is 63 ft (19.2 m) long and 21 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCynthiana RD #17
CrossesHeads Branch
LocationEast of ST RTE 753
RouteCounty Highway C0017
CountyHighland County
StateOhio
Coordinates39.17225, -83.39018
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span59 ft (18 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic399 (2024)
Projected traffic362 by 2035
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Cynthiana RD #17 over Heads Branch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Cynthiana RD #17 over Heads Branch 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 March 2024.

How much traffic does Cynthiana RD #17 over Heads Branch carry?

About 399 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Cynthiana RD #17 over Heads Branch?

The structure is 63 ft (19.2 m) long with a longest span of 59 ft (18 m) and a deck 21 ft wide.

Who owns Cynthiana RD #17 over Heads Branch?

It is owned by the County Highway Agency.