US Bridges

SR 405 over Over Trib to Susquehanna

Fair

Lycoming County, Pennsylvania · 3 MI SW of Muncy Boro · Structure no. 000000000024742

Built
1921
104 years old, rebuilt 1946
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
4,462
2023 count
Owner
State
State Highway Agency

About this bridge

SR 405 over Over Trib to Susquehanna is a concrete tee beam carrying SR 405 over Over Trib to Susquehanna in Lycoming 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 4,462 vehicles a day, roughly 9% of them trucks, projected to reach 8,417 by 2032. The structure is 23 ft (7 m) long and 42 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSR 405
CrossesOver Trib to Susquehanna
Location3 MI SW of Muncy Boro
RouteState Highway 405
Coordinates41.18412, -76.8459
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 inspectionMarch 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 rating72 US tons
Inventory rating43 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,462 (2023)
Projected traffic8,417 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$106,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 405 over Over Trib to Susquehanna built?

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

What condition is SR 405 over Over Trib to Susquehanna 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 March 2023.

How much traffic does SR 405 over Over Trib to Susquehanna carry?

About 4,462 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 405 over Over Trib to Susquehanna?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 42 ft wide.

Who owns SR 405 over Over Trib to Susquehanna?

It is owned by the State Highway Agency.