US Bridges

Southland Road over Koop Creek

Good

Auglaize County, Ohio · 0.1 MI E of SR 66 · Structure no. 0636304

Built
1992
33 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
198
2015 count
Owner
County
County Highway Agency

About this bridge

Southland Road over Koop Creek is a prestressed concrete box beam or girders - multiple carrying Southland Road over Koop Creek in Auglaize 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 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 198 vehicles a day, roughly 8% of them trucks, projected to reach 275 by 2045. The structure is 57 ft (17.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSouthland Road
CrossesKoop Creek
Location0.1 MI E of SR 66
RouteCounty Highway T0090
StateOhio
Coordinates40.48056, -84.37546
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.4 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length57 ft (17.4 m)
Longest span54 ft (16.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic198 (2015)
Projected traffic275 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Southland Road over Koop Creek built?

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

What condition is Southland Road over Koop 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 2023.

How much traffic does Southland Road over Koop Creek carry?

About 198 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Southland Road over Koop Creek?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.6 m) and a deck 26 ft wide.

Who owns Southland Road over Koop Creek?

It is owned by the County Highway Agency.