US Bridges

SR 15 over Black Creek

GoodPosted for load

Defiance County, Ohio · 3.17 Mi. East of SR249 · Structure no. 2000393

Built
1957
68 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
4,412
2015 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Black Creek is a concrete continuous slab carrying SR 15 over Black Creek in Defiance County, Ohio. It was built in 1957, so it is 68 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 4,412 vehicles a day, roughly 7% of them trucks, projected to reach 6,124 by 2035. The structure is 53 ft (16.3 m) long and 40 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSR 15
CrossesBlack Creek
Location3.17 Mi. East of SR249
RouteState Highway 15
StateOhio
Coordinates41.3597, -84.47489
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length53 ft (16.3 m)
Longest span20 ft (6.1 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,412 (2015)
Projected traffic6,124 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Black Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 15 over Black Creek 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 April 2024.

How much traffic does SR 15 over Black Creek carry?

About 4,412 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 15 over Black Creek?

The structure is 53 ft (16.3 m) long with a longest span of 20 ft (6.1 m) and a deck 40 ft wide.

Who owns SR 15 over Black Creek?

It is owned by the State Highway Agency.