US Bridges

SR 18 over Over Crooked Creek Trib

Fair

Crawford County, Pennsylvania · West Fallowfield Township · Structure no. 000000000012916

Built
1921
104 years old, rebuilt 1946
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
2,552
2024 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Over Crooked Creek Trib is a steel stringer/multi-beam or girder carrying SR 18 over Over Crooked Creek Trib in Crawford County, Pennsylvania. It was built in 1921 and reconstructed in 1946, so it is 104 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 2,552 vehicles a day, roughly 10% of them trucks, projected to reach 2,810 by 2032. The structure is 31 ft (9.4 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 18
CrossesOver Crooked Creek Trib
LocationWest Fallowfield Township
RouteState Highway 18
CountyCrawford County
StatePennsylvania
Coordinates41.5014, -80.36931
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,552 (2024)
Projected traffic2,810 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Crooked Creek Trib built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1946.

What condition is SR 18 over Over Crooked 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 August 2023.

How much traffic does SR 18 over Over Crooked Creek Trib carry?

About 2,552 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 18 over Over Crooked Creek Trib?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 42 ft wide.

Who owns SR 18 over Over Crooked Creek Trib?

It is owned by the State Highway Agency.