US Bridges

Langley Drive over Minard Run

PoorPosted for load

McKean County, Pennsylvania · 500 Ft SW of SR 770 · Structure no. 000000000039998

Built
1997
28 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
35
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Langley Drive over Minard Run is a steel stringer/multi-beam or girder carrying Langley Drive over Minard Run in McKean County, Pennsylvania. It was built in 1997, so it is 28 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 3% of them trucks, projected to reach 50 by 2038. The structure is 29 ft (8.8 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLangley Drive
CrossesMinard Run
Location500 Ft SW of SR 770
RouteCity Street 0
Coordinates41.90036, -78.6124
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating16 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2018)
Projected traffic50 by 2038
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Langley Drive over Minard Run built?

It was built in 1997, making it 28 years old in 2025.

What condition is Langley Drive over Minard Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Langley Drive over Minard Run carry?

About 35 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Langley Drive over Minard Run?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 16 ft wide.

Who owns Langley Drive over Minard Run?

It is owned by the Town or Township Highway Agency.