US Bridges

SR 56 over Grass Run

Good

Athens County, Ohio · 0.4 MI E JCT SR 356 · Structure no. 0502502

Built
1996
29 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
759
2018 count
Owner
State
State Highway Agency

About this bridge

SR 56 over Grass Run is a prestressed concrete box beam or girders - multiple carrying SR 56 over Grass Run in Athens County, Ohio. It was built in 1996, so it is 29 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 759 vehicles a day, roughly 1% of them trucks, projected to reach 1,053 by 2038. The structure is 54 ft (16.6 m) long and 33 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSR 56
CrossesGrass Run
Location0.4 MI E JCT SR 356
RouteState Highway 56
StateOhio
Coordinates39.34711, -82.24518
Functional classRural Major 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.3 US tons
Inventory rating68.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length54 ft (16.6 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic759 (2018)
Projected traffic1,053 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 56 over Grass Run built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR 56 over Grass Run 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 May 2024.

How much traffic does SR 56 over Grass Run carry?

About 759 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SR 56 over Grass Run?

The structure is 54 ft (16.6 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns SR 56 over Grass Run?

It is owned by the State Highway Agency.