US Bridges

SR 729 over Grassy Branch Creek

Fair

Clinton County, Ohio · .06 MI S Cli-Fay CO Line · Structure no. 1403915

Built
1947
78 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
402
2015 count
Owner
State
State Highway Agency

About this bridge

SR 729 over Grassy Branch Creek is a concrete continuous slab carrying SR 729 over Grassy Branch Creek in Clinton County, Ohio. It was built in 1947 and reconstructed in 1989, so it is 78 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 402 vehicles a day, roughly 4% of them trucks, projected to reach 558 by 2035. The structure is 80 ft (24.4 m) long and 38 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesSR 729
CrossesGrassy Branch Creek
Location.06 MI S Cli-Fay CO Line
RouteState Highway 729
CountyClinton County
StateOhio
Coordinates39.54595, -83.61121
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic402 (2015)
Projected traffic558 by 2035
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 729 over Grassy Branch Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1989.

What condition is SR 729 over Grassy Branch 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 September 2024.

How much traffic does SR 729 over Grassy Branch Creek carry?

About 402 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is SR 729 over Grassy Branch Creek?

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns SR 729 over Grassy Branch Creek?

It is owned by the State Highway Agency.