US Bridges

SR 15 Nbl over NB over Lyc Ck/Ck Drains

Fair

Lycoming County, Pennsylvania · City of Williamsport · Structure no. 000000000024526

Built
1974
51 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
589 ft
4 main spans
Daily traffic
12,786
2024 count
Owner
State
State Highway Agency

About this bridge

SR 15 Nbl over NB over Lyc Ck/Ck Drains is a steel continuous stringer/multi-beam or girder carrying SR 15 Nbl over NB over Lyc Ck/Ck Drains in Lycoming County, Pennsylvania. It was built in 1974, so it is 51 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 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 12,786 vehicles a day, roughly 17% of them trucks, projected to reach 18,047 by 2032. The structure is 589 ft (179.5 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 15 Nbl
CrossesNB over Lyc Ck/Ck Drains
LocationCity of Williamsport
RouteU.S. Route 15
Coordinates41.23339, -77.04292
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length589 ft (179.5 m)
Longest span139 ft (42.4 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,786 (2024)
Projected traffic18,047 by 2032
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$569,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 15 Nbl over NB over Lyc Ck/Ck Drains built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 15 Nbl over NB over Lyc Ck/Ck Drains 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 June 2024.

How much traffic does SR 15 Nbl over NB over Lyc Ck/Ck Drains carry?

About 12,786 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SR 15 Nbl over NB over Lyc Ck/Ck Drains?

The structure is 589 ft (179.5 m) long with a longest span of 139 ft (42.4 m) and a deck 55 ft wide.

Who owns SR 15 Nbl over NB over Lyc Ck/Ck Drains?

It is owned by the State Highway Agency.