US Bridges

Defiance Tr. over Six Mile CR Defiance TR

Good

Allen County, Ohio · 0.40 MI N of SR 81 · Structure no. 0230138

Built
1992
33 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
368
2015 count
Owner
County
County Highway Agency

About this bridge

Defiance Tr. over Six Mile CR Defiance TR is a prestressed concrete box beam or girders - multiple carrying Defiance Tr. over Six Mile CR Defiance TR in Allen County, Ohio. It was built in 1992, so it is 33 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 368 vehicles a day, roughly 7% of them trucks, projected to reach 511 by 2035. The structure is 56 ft (17 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDefiance Tr.
CrossesSix Mile CR Defiance TR
Location0.40 MI N of SR 81
RouteCounty Highway C0050
CountyAllen County
StateOhio
Coordinates40.74793, -84.32074
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length56 ft (17 m)
Longest span54 ft (16.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic368 (2015)
Projected traffic511 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Defiance Tr. over Six Mile CR Defiance TR built?

It was built in 1992, making it 33 years old in 2025.

What condition is Defiance Tr. over Six Mile CR Defiance TR 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 May 2024.

How much traffic does Defiance Tr. over Six Mile CR Defiance TR carry?

About 368 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Defiance Tr. over Six Mile CR Defiance TR?

The structure is 56 ft (17 m) long with a longest span of 54 ft (16.4 m) and a deck 28 ft wide.

Who owns Defiance Tr. over Six Mile CR Defiance TR?

It is owned by the County Highway Agency.