US Bridges

Napoleon Rd. over Stream Napoleon Road

Good

Allen County, Ohio · 0.77 MI N of SR 309 · Structure no. 0238864

Built
1946
79 years old, rebuilt 1997
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
1,364
2015 count
Owner
County
County Highway Agency

About this bridge

Napoleon Rd. over Stream Napoleon Road is a prestressed concrete box beam or girders - multiple carrying Napoleon Rd. over Stream Napoleon Road in Allen County, Ohio. It was built in 1946 and reconstructed in 1997, so it is 79 years old, older 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 1,364 vehicles a day, roughly 3% of them trucks, projected to reach 1,893 by 2035. The structure is 26 ft (8 m) long and 32 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

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CarriesNapoleon Rd.
CrossesStream Napoleon Road
Location0.77 MI N of SR 309
RouteCounty Highway C0222
CountyAllen County
StateOhio
Coordinates40.74245, -83.9402
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating97.9 US tons
Inventory rating58.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (8 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,364 (2015)
Projected traffic1,893 by 2035
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$88,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Napoleon Rd. over Stream Napoleon Road built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1997.

What condition is Napoleon Rd. over Stream Napoleon Road 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 2023.

How much traffic does Napoleon Rd. over Stream Napoleon Road carry?

About 1,364 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Napoleon Rd. over Stream Napoleon Road?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Napoleon Rd. over Stream Napoleon Road?

It is owned by the County Highway Agency.