US Bridges

Boston RD Cty #108 over Muncy Creek

Fair

Lycoming County, Pennsylvania · Picture Rocks Borough · Structure no. 000000000025169

Built
1989
36 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
123 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Boston RD Cty #108 over Muncy Creek is a prestressed concrete continuous box beam or girders - multiple carrying Boston RD Cty #108 over Muncy Creek in Lycoming County, Pennsylvania. It was built in 1989, so it is 36 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 309 by 2045. The structure is 123 ft (37.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBoston RD Cty #108
CrossesMuncy Creek
LocationPicture Rocks Borough
RouteCity Street 0
Coordinates41.2818, -76.7097
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic309 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$163,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Boston RD Cty #108 over Muncy Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Boston RD Cty #108 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 November 2023.

How much traffic does Boston RD Cty #108 over Muncy Creek carry?

About 200 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Boston RD Cty #108 over Muncy Creek?

The structure is 123 ft (37.5 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Boston RD Cty #108 over Muncy Creek?

It is owned by the County Highway Agency.