US Bridges

SR 15 over Auglaize River

Fair

Defiance County, Ohio · City of Defiance · Structure no. 2000598

Built
1991
34 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
418 ft
5 main spans
Daily traffic
13,870
2015 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Auglaize River is a prestressed concrete continuous box beam or girders - multiple carrying SR 15 over Auglaize River in Defiance County, Ohio. It was built in 1991, so it is 34 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,870 vehicles a day, roughly 7% of them trucks, projected to reach 19,252 by 2035. The structure is 418 ft (127.5 m) long and 66 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 15
CrossesAuglaize River
LocationCity of Defiance
RouteState Highway 15
CountyDefiance County
StateOhio
Coordinates41.28531, -84.35821
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating33.6 US tons
Inventory rating15.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length418 ft (127.5 m)
Longest span89 ft (27 m)
Deck width66 ft (20.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,870 (2015)
Projected traffic19,252 by 2035
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 15 over Auglaize River built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 15 over Auglaize River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does SR 15 over Auglaize River carry?

About 13,870 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 15 over Auglaize River?

The structure is 418 ft (127.5 m) long with a longest span of 89 ft (27 m) and a deck 66 ft wide.

Who owns SR 15 over Auglaize River?

It is owned by the State Highway Agency.