US Bridges

Dull Road over Wabash River

Good

Mercer County, Ohio · 1 Mi. N. Watkins Road · Structure no. 5445167

Built
1997
28 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

Dull Road over Wabash River is a prestressed concrete box beam or girders - multiple carrying Dull Road over Wabash River in Mercer County, Ohio. It was built in 1997, so it is 28 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 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2035. The structure is 77 ft (23.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDull Road
CrossesWabash River
Location1 Mi. N. Watkins Road
RouteCounty Highway T0101
StateOhio
Coordinates40.38047, -84.61465
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
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 alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span76 ft (23.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 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 Dull Road over Wabash River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Dull Road 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 Dull Road over Wabash River carry?

About 324 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Dull Road over Wabash River?

The structure is 77 ft (23.5 m) long with a longest span of 76 ft (23.2 m) and a deck 28 ft wide.

Who owns Dull Road over Wabash River?

It is owned by the County Highway Agency.