US Bridges

SR 4004 over Gravel Run

Fair

Northumberland County, Pennsylvania · 6 Mi.W.Of Riverside · Structure no. 000000000029275

Built
1939
86 years old, rebuilt 2003
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
400
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4004 over Gravel Run is a concrete channel beam carrying SR 4004 over Gravel Run in Northumberland County, Pennsylvania. It was built in 1939 and reconstructed in 2003, so it is 86 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 528 by 2032. The structure is 29 ft (8.8 m) long and 27 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesSR 4004
CrossesGravel Run
Location6 Mi.W.Of Riverside
RouteState Highway 0
CountyNorthumberland County
StatePennsylvania
Coordinates40.91329, -76.6942
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic528 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4004 over Gravel Run built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2003.

What condition is SR 4004 over Gravel 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 November 2023.

How much traffic does SR 4004 over Gravel Run carry?

About 400 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 4004 over Gravel Run?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns SR 4004 over Gravel Run?

It is owned by the State Highway Agency.