US Bridges

SR 4004 over Wallace Run

Fair

Centre County, Pennsylvania · Gum Stump · Structure no. 000000000009788

Built
1938
87 years old, rebuilt 2006
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
459
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4004 over Wallace Run is a steel stringer/multi-beam or girder carrying SR 4004 over Wallace Run in Centre County, Pennsylvania. It was built in 1938 and reconstructed in 2006, so it is 87 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 459 vehicles a day, roughly 7% of them trucks, projected to reach 74 by 2043. The structure is 48 ft (14.6 m) long and 24 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesSR 4004
CrossesWallace Run
LocationGum Stump
RouteState Highway 0
CountyCentre County
StatePennsylvania
Coordinates40.96849, -77.8435
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckClosed grating
Main spans1
Design loadH 20
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic459 (2024)
Projected traffic74 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$420,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4004 over Wallace Run built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2006.

What condition is SR 4004 over Wallace 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 August 2023.

How much traffic does SR 4004 over Wallace Run carry?

About 459 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 4004 over Wallace Run?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns SR 4004 over Wallace Run?

It is owned by the State Highway Agency.