US Bridges

CR 31A Wabash RD over Wabash River

Good

Mercer County, Ohio · 0.9 Mi. N. of SR29 · Structure no. 5448565

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
116 ft
1 main span
Daily traffic
70
2015 count
Owner
County
County Highway Agency

About this bridge

CR 31A Wabash RD over Wabash River is a prestressed concrete box beam or girders - multiple carrying CR 31A Wabash RD over Wabash River in Mercer County, Ohio. It was built in 2006, so it is 19 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 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 70 vehicles a day, roughly 7% of them trucks, projected to reach 97 by 2035. The structure is 116 ft (35.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 31A Wabash RD
CrossesWabash River
Location0.9 Mi. N. of SR29
RouteCounty Highway C031A
StateOhio
Coordinates40.55434, -84.74632
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length116 ft (35.4 m)
Longest span109 ft (33.2 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2015)
Projected traffic97 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 CR 31A Wabash RD over Wabash River built?

It was built in 2006, making it 19 years old in 2025.

What condition is CR 31A Wabash 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 November 2024.

How much traffic does CR 31A Wabash RD over Wabash River carry?

About 70 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is CR 31A Wabash RD over Wabash River?

The structure is 116 ft (35.4 m) long with a longest span of 109 ft (33.2 m) and a deck 32 ft wide.

Who owns CR 31A Wabash RD over Wabash River?

It is owned by the County Highway Agency.