US Bridges

T-708 over Beaver Dam Run

Fair

Lycoming County, Pennsylvania · 1.7 Mi. NE of Lairdsville · Structure no. 000000000025073

Built
1920
105 years old, rebuilt 1968
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-708 over Beaver Dam Run is a steel stringer/multi-beam or girder carrying T-708 over Beaver Dam Run in Lycoming County, Pennsylvania. It was built in 1920 and reconstructed in 1968, so it is 105 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 50 vehicles a day, projected to reach 77 by 2045. The structure is 33 ft (10.1 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT-708
CrossesBeaver Dam Run
Location1.7 Mi. NE of Lairdsville
RouteCity Street 0
Coordinates41.25026, -76.59583
Functional classRural Local

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic77 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$83,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-708 over Beaver Dam Run built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1968.

What condition is T-708 over Beaver Dam 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 November 2023.

How much traffic does T-708 over Beaver Dam Run carry?

About 50 vehicles per day (2023 count).

How long is T-708 over Beaver Dam Run?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 16 ft wide.

Who owns T-708 over Beaver Dam Run?

It is owned by the Town or Township Highway Agency.