US Bridges

T-760 Greentree RD over Nickel Mines Run

PoorPosted for load

Lancaster County, Pennsylvania · 200 West of SR 896 · Structure no. 000000000021836

Built
1935
90 years old, rebuilt 1970
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
50
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-760 Greentree RD over Nickel Mines Run is a steel stringer/multi-beam or girder carrying T-760 Greentree RD over Nickel Mines Run in Lancaster County, Pennsylvania. It was built in 1935 and reconstructed in 1970, so it is 90 years old, older 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 70 by 2031. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-760 Greentree RD
CrossesNickel Mines Run
Location200 West of SR 896
RouteCity Street 0
Coordinates39.92598, -76.07012
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, 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 statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating7.1 US tons
Inventory rating5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2011)
Projected traffic70 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$203,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-760 Greentree RD over Nickel Mines Run built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1970.

What condition is T-760 Greentree RD over Nickel Mines 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 August 2023.

How much traffic does T-760 Greentree RD over Nickel Mines Run carry?

About 50 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is T-760 Greentree RD over Nickel Mines Run?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns T-760 Greentree RD over Nickel Mines Run?

It is owned by the Town or Township Highway Agency.