US Bridges

SR 4004 over Bobby Run

Fair

Cameron County, Pennsylvania · Lewis Run · Structure no. 000000000008943

Built
1944
81 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
310
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4004 over Bobby Run is a concrete tee beam carrying SR 4004 over Bobby Run in Cameron County, Pennsylvania. It was built in 1944, so it is 81 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 310 vehicles a day, roughly 3% of them trucks, projected to reach 650 by 2043. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSR 4004
CrossesBobby Run
LocationLewis Run
RouteState Highway 0
CountyCameron County
StatePennsylvania
Coordinates41.54005, -78.33443
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2023)
Projected traffic650 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$389,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4004 over Bobby Run built?

It was built in 1944, making it 81 years old in 2025.

What condition is SR 4004 over Bobby Run 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 October 2023.

How much traffic does SR 4004 over Bobby Run carry?

About 310 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 4004 over Bobby Run?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns SR 4004 over Bobby Run?

It is owned by the State Highway Agency.