US Bridges

Alton RD over Clover Groff Di (alton)

Good

Franklin County, Ohio · 0.3 MI South of Broad ST · Structure no. 2533693

Built
1936
89 years old, rebuilt 1983
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
931
2015 count
Owner
County
County Highway Agency

About this bridge

Alton RD over Clover Groff Di (alton) is a prestressed concrete box beam or girders - multiple carrying Alton RD over Clover Groff Di (alton) in Franklin County, Ohio. It was built in 1936 and reconstructed in 1983, so it is 89 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 931 vehicles a day, roughly 5% of them trucks, projected to reach 1,292 by 2035. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAlton RD
CrossesClover Groff Di (alton)
Location0.3 MI South of Broad ST
RouteCounty Highway C0035
StateOhio
Coordinates39.94453, -83.17606
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic931 (2015)
Projected traffic1,292 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Alton RD over Clover Groff Di (alton) built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1983.

What condition is Alton RD over Clover Groff Di (alton) 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 October 2024.

How much traffic does Alton RD over Clover Groff Di (alton) carry?

About 931 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Alton RD over Clover Groff Di (alton)?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 36 ft wide.

Who owns Alton RD over Clover Groff Di (alton)?

It is owned by the County Highway Agency.