US Bridges

I 71 over Grassy Branch

Fair

Fayette County, Ohio · 0.28 MI N of Greene Co. · Structure no. 2401681

Built
1963
62 years old, rebuilt 2005
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
15,717
2018 count
Owner
State
State Highway Agency

About this bridge

I 71 over Grassy Branch is a concrete continuous slab carrying I 71 over Grassy Branch in Fayette County, Ohio. It was built in 1963 and reconstructed in 2005, so it is 62 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 15,717 vehicles a day, roughly 32% of them trucks, projected to reach 21,815 by 2038. The structure is 79 ft (24.2 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 71
CrossesGrassy Branch
Location0.28 MI N of Greene Co.
RouteInterstate 71
StateOhio
Coordinates39.59098, -83.66197
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating57.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length79 ft (24.2 m)
Longest span30 ft (9.1 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,717 (2018)
Projected traffic21,815 by 2038
Trucks32%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 71 over Grassy Branch built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2005.

What condition is I 71 over Grassy 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 August 2024.

How much traffic does I 71 over Grassy Branch carry?

About 15,717 vehicles per day (2018 count), of which roughly 32% are trucks.

How long is I 71 over Grassy Branch?

The structure is 79 ft (24.2 m) long with a longest span of 30 ft (9.1 m) and a deck 63 ft wide.

Who owns I 71 over Grassy Branch?

It is owned by the State Highway Agency.