US Bridges

CR31A Wabash Road over Crab Branch

Good

Mercer County, Ohio · 0.24 Mi.South SR29 · Structure no. 5459959

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
372
2016 count
Owner
County
County Highway Agency

About this bridge

CR31A Wabash Road over Crab Branch is a prestressed concrete box beam or girders - multiple carrying CR31A Wabash Road over Crab Branch in Mercer County, Ohio. It was built in 2016, so it is 9 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 372 vehicles a day, roughly 10% of them trucks, projected to reach 516 by 2036. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR31A Wabash Road
CrossesCrab Branch
Location0.24 Mi.South SR29
RouteCounty Highway 31A
StateOhio
Coordinates40.54182, -84.75084
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.
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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span38 ft (11.7 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic372 (2016)
Projected traffic516 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and railroad
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 CR31A Wabash Road over Crab Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is CR31A Wabash Road over Crab Branch 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 CR31A Wabash Road over Crab Branch carry?

About 372 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is CR31A Wabash Road over Crab Branch?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.7 m) and a deck 33 ft wide.

Who owns CR31A Wabash Road over Crab Branch?

It is owned by the County Highway Agency.