US Bridges

SR 18 over Over Patton Run

Fair

Crawford County, Pennsylvania · West Fallowfield Township · Structure no. 000000000012918

Built
1922
103 years old, rebuilt 1964
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
21 ft
1 main span
Daily traffic
2,043
2023 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Over Patton Run is a steel stringer/multi-beam or girder carrying SR 18 over Over Patton Run in Crawford County, Pennsylvania. It was built in 1922 and reconstructed in 1964, so it is 103 years old, older 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 5 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 2,043 vehicles a day, roughly 17% of them trucks, projected to reach 3,017 by 2032. The structure is 21 ft (6.4 m) long and 42 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 18
CrossesOver Patton Run
LocationWest Fallowfield Township
RouteState Highway 18
CountyCrawford County
StatePennsylvania
Coordinates41.52758, -80.37324
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length21 ft (6.4 m)
Longest span19 ft (5.8 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,043 (2023)
Projected traffic3,017 by 2032
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Over Patton Run built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1964.

What condition is SR 18 over Over Patton Run 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 August 2023.

How much traffic does SR 18 over Over Patton Run carry?

About 2,043 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is SR 18 over Over Patton Run?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 42 ft wide.

Who owns SR 18 over Over Patton Run?

It is owned by the State Highway Agency.