US Bridges

S.R. 4007 over Blockhouse Creek

Fair

Lycoming County, Pennsylvania · 4MI South of Liberty · Structure no. 000000000025024

Built
1961
64 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
71
2024 count
Owner
State
State Highway Agency

About this bridge

S.R. 4007 over Blockhouse Creek is a prestressed concrete box beam or girders - multiple carrying S.R. 4007 over Blockhouse Creek in Lycoming County, Pennsylvania. It was built in 1961, so it is 64 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 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 71 vehicles a day, roughly 16% of them trucks, projected to reach 73 by 2032. The structure is 63 ft (19.2 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS.R. 4007
CrossesBlockhouse Creek
Location4MI South of Liberty
RouteState Highway 0
CountyLycoming County
StatePennsylvania
Coordinates41.51727, -77.12289
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating39 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2024)
Projected traffic73 by 2032
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$89,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.R. 4007 over Blockhouse Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is S.R. 4007 over Blockhouse 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 January 2023.

How much traffic does S.R. 4007 over Blockhouse Creek carry?

About 71 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is S.R. 4007 over Blockhouse Creek?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns S.R. 4007 over Blockhouse Creek?

It is owned by the State Highway Agency.