US Bridges

T-309 BR#1 over Muncy Creek

Fair

Sullivan County, Pennsylvania · 0.1 Mi. S of Sonestown · Structure no. 000000000032094

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

T-309 BR#1 over Muncy Creek is a prestressed concrete box beam or girders - multiple carrying T-309 BR#1 over Muncy Creek in Sullivan County, Pennsylvania. It was built in 1976, so it is 49 years old, younger 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 6 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 155 by 2045. The structure is 81 ft (24.7 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-309 BR#1
CrossesMuncy Creek
Location0.1 Mi. S of Sonestown
RouteCity Street 0
Coordinates41.35242, -76.55371
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating102 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span80 ft (24.4 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic155 by 2045
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 T-309 BR#1 over Muncy Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is T-309 BR#1 over Muncy Creek 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 September 2023.

How much traffic does T-309 BR#1 over Muncy Creek carry?

About 100 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T-309 BR#1 over Muncy Creek?

The structure is 81 ft (24.7 m) long with a longest span of 80 ft (24.4 m) and a deck 19 ft wide.

Who owns T-309 BR#1 over Muncy Creek?

It is owned by the County Highway Agency.