US Bridges

SR 18 over Platter Creek

Fair

Defiance County, Ohio · .75 MI E of JCT18 & TR121 · Structure no. 2000865

Built
2000
25 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
2,213
2015 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Platter Creek is a prestressed concrete box beam or girders - multiple carrying SR 18 over Platter Creek in Defiance County, Ohio. It was built in 2000, so it is 25 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 2,213 vehicles a day, roughly 8% of them trucks, projected to reach 3,072 by 2035. The structure is 55 ft (16.7 m) long and 36 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 18
CrossesPlatter Creek
Location.75 MI E of JCT18 & TR121
RouteState Highway 18
CountyDefiance County
StateOhio
Coordinates41.29613, -84.63643
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating68.9 US tons
Inventory rating35.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length55 ft (16.7 m)
Longest span53 ft (16.3 m)
Deck width36 ft (11.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,213 (2015)
Projected traffic3,072 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 18 over Platter Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR 18 over Platter Creek 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 March 2024.

How much traffic does SR 18 over Platter Creek carry?

About 2,213 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is SR 18 over Platter Creek?

The structure is 55 ft (16.7 m) long with a longest span of 53 ft (16.3 m) and a deck 36 ft wide.

Who owns SR 18 over Platter Creek?

It is owned by the State Highway Agency.