US Bridges

SR 18 over Chessie System RR

Good

Defiance County, Ohio · 0.23 Mi. South of SR18 · Structure no. 2000962

Built
1967
58 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
188 ft
3 main spans
Daily traffic
4,250
2015 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Chessie System RR is a steel continuous stringer/multi-beam or girder carrying SR 18 over Chessie System RR in Defiance County, Ohio. It was built in 1967, so it is 58 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.

It carries about 4,250 vehicles a day, roughly 6% of them trucks, projected to reach 5,899 by 2035. The structure is 188 ft (57.2 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesSR 18
CrossesChessie System RR
Location0.23 Mi. South of SR18
RouteState Highway 18
CountyDefiance County
StateOhio
Coordinates41.27934, -84.29088
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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length188 ft (57.2 m)
Longest span70 ft (21.3 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,250 (2015)
Projected traffic5,899 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.8 mi (19 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 18 over Chessie System RR built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR 18 over Chessie System RR 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 18 over Chessie System RR carry?

About 4,250 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 18 over Chessie System RR?

The structure is 188 ft (57.2 m) long with a longest span of 70 ft (21.3 m) and a deck 38 ft wide.

Who owns SR 18 over Chessie System RR?

It is owned by the State Highway Agency.