US Bridges

SR 18 Springboro R over Over Conneaut Creek Trib

Fair

Crawford County, Pennsylvania · Spring Township · Structure no. 000000000012935

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,472
2023 count
Owner
State
State Highway Agency

About this bridge

SR 18 Springboro R over Over Conneaut Creek Trib is a concrete culvert carrying SR 18 Springboro R over Over Conneaut Creek Trib in Crawford County, Pennsylvania. It was built in 1978, so it is 47 years old, younger than the Pennsylvania average of 54.8 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 1,472 vehicles a day, roughly 12% of them trucks, projected to reach 2,113 by 2032. The structure is 22 ft (6.7 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 18 Springboro R
CrossesOver Conneaut Creek Trib
LocationSpring Township
RouteState Highway 18
Coordinates41.80584, -80.37133
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,472 (2023)
Projected traffic2,113 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$78,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 18 Springboro R over Over Conneaut Creek Trib built?

It was built in 1978, making it 47 years old in 2025.

What condition is SR 18 Springboro R over Over Conneaut Creek Trib 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 October 2023.

How much traffic does SR 18 Springboro R over Over Conneaut Creek Trib carry?

About 1,472 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 18 Springboro R over Over Conneaut Creek Trib?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns SR 18 Springboro R over Over Conneaut Creek Trib?

It is owned by the State Highway Agency.