US Bridges

I-81; SR 0081 over Gum Run

Fair

Cumberland County, Pennsylvania · 5 Mi.S. Exit 29 · Structure no. 000000000013633

Built
1963
62 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
41 ft
2 main spans
Daily traffic
41,944
2024 count
Owner
State
State Highway Agency

About this bridge

I-81; SR 0081 over Gum Run is a concrete culvert carrying I-81; SR 0081 over Gum Run in Cumberland County, Pennsylvania. It was built in 1963, so it is 62 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 41,944 vehicles a day, roughly 37% of them trucks, projected to reach 48,062 by 2032. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-81; SR 0081
CrossesGum Run
Location5 Mi.S. Exit 29
RouteInterstate 81
CountyCumberland County
StatePennsylvania
Coordinates40.03267, -77.50239
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,944 (2024)
Projected traffic48,062 by 2032
Trucks37%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-81; SR 0081 over Gum Run built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-81; SR 0081 over Gum 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 I-81; SR 0081 over Gum Run carry?

About 41,944 vehicles per day (2024 count), of which roughly 37% are trucks.

How long is I-81; SR 0081 over Gum Run?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m).

Who owns I-81; SR 0081 over Gum Run?

It is owned by the State Highway Agency.