US Bridges

T-557 over Gregs Run

PoorPosted for load

Lycoming County, Pennsylvania · 0.9 Mi. E. of Bryan Mills · Structure no. 000000000025120

Built
1900
125 years old, rebuilt 1970
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
55
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-557 over Gregs Run is a steel stringer/multi-beam or girder carrying T-557 over Gregs Run in Lycoming County, Pennsylvania. It was built in 1900 and reconstructed in 1970, so it is 125 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 55 vehicles a day, projected to reach 85 by 2046. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-557
CrossesGregs Run
Location0.9 Mi. E. of Bryan Mills
RouteCity Street 0
Coordinates41.26398, -76.69763
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2024)
Projected traffic85 by 2046
Trucks—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$80,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-557 over Gregs Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1970.

What condition is T-557 over Gregs 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 November 2023.

How much traffic does T-557 over Gregs Run carry?

About 55 vehicles per day (2024 count).

How long is T-557 over Gregs Run?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns T-557 over Gregs Run?

It is owned by the Town or Township Highway Agency.