US Bridges

T79 Tobe RD over Wabash River

Good

Mercer County, Ohio · 0.5 Mi. S. Ft. Rec.-Minst · Structure no. 5444284

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

T79 Tobe RD over Wabash River is a prestressed concrete box beam or girders - multiple carrying T79 Tobe RD over Wabash River in Mercer County, Ohio. It was built in 1988, so it is 37 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 78 ft (23.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT79 Tobe RD
CrossesWabash River
Location0.5 Mi. S. Ft. Rec.-Minst
RouteCounty Highway T0079
StateOhio
Coordinates40.38483, -84.65265
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span76 ft (23.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
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 T79 Tobe RD over Wabash River built?

It was built in 1988, making it 37 years old in 2025.

What condition is T79 Tobe RD over Wabash River 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 T79 Tobe RD over Wabash River carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is T79 Tobe RD over Wabash River?

The structure is 78 ft (23.8 m) long with a longest span of 76 ft (23.2 m) and a deck 24 ft wide.

Who owns T79 Tobe RD over Wabash River?

It is owned by the County Highway Agency.