US Bridges

SR 180 over Dry Run

FairPosted for load

Ross County, Ohio · 3.50 MI E of SR 159 · Structure no. 7104650

Built
1956
69 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
3,705
2015 count
Owner
State
State Highway Agency

About this bridge

SR 180 over Dry Run is a concrete continuous slab carrying SR 180 over Dry Run in Ross County, Ohio. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 3,705 vehicles a day, roughly 7% of them trucks, projected to reach 5,143 by 2035. The structure is 80 ft (24.4 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 180
CrossesDry Run
Location3.50 MI E of SR 159
RouteState Highway 180
CountyRoss County
StateOhio
Coordinates39.43539, -82.89064
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length80 ft (24.4 m)
Longest span27 ft (8.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,705 (2015)
Projected traffic5,143 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 180 over Dry Run built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 180 over Dry Run 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 SR 180 over Dry Run carry?

About 3,705 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 180 over Dry Run?

The structure is 80 ft (24.4 m) long with a longest span of 27 ft (8.2 m) and a deck 36 ft wide.

Who owns SR 180 over Dry Run?

It is owned by the State Highway Agency.