US Bridges

Napoleon Road over N.Br.Ptg.Riv.Napoleon RD

Good

Wood County, Ohio · 0.02 Ml E of Dirlam RD · Structure no. 8755159

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
1,241
2015 count
Owner
County
County Highway Agency

About this bridge

Napoleon Road over N.Br.Ptg.Riv.Napoleon RD is a prestressed concrete box beam or girders - multiple carrying Napoleon Road over N.Br.Ptg.Riv.Napoleon RD in Wood County, Ohio. It was built in 2008, so it is 17 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 1,241 vehicles a day, roughly 7% of them trucks, projected to reach 1,723 by 2035. The structure is 67 ft (20.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNapoleon Road
CrossesN.Br.Ptg.Riv.Napoleon RD
Location0.02 Ml E of Dirlam RD
RouteCounty Highway 237
CountyWood County
StateOhio
Coordinates41.36184, -83.59886
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating56.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,241 (2015)
Projected traffic1,723 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$175,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Napoleon Road over N.Br.Ptg.Riv.Napoleon RD built?

It was built in 2008, making it 17 years old in 2025.

What condition is Napoleon Road over N.Br.Ptg.Riv.Napoleon RD 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 August 2024.

How much traffic does Napoleon Road over N.Br.Ptg.Riv.Napoleon RD carry?

About 1,241 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Napoleon Road over N.Br.Ptg.Riv.Napoleon RD?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns Napoleon Road over N.Br.Ptg.Riv.Napoleon RD?

It is owned by the County Highway Agency.