US Bridges

I-81; SR 0081 over Simmons Run

Fair

Cumberland County, Pennsylvania · 0.8 Mi.E. of L.R. 21001 · Structure no. 000000000013703

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
72,940
2024 count
Owner
State
State Highway Agency

About this bridge

I-81; SR 0081 over Simmons Run is a concrete culvert carrying I-81; SR 0081 over Simmons Run in Cumberland County, Pennsylvania. It was built in 1973, so it is 52 years old, younger 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 72,940 vehicles a day, roughly 25% of them trucks, projected to reach 100,406 by 2032. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesI-81; SR 0081
CrossesSimmons Run
Location0.8 Mi.E. of L.R. 21001
RouteInterstate 81
Coordinates40.27163, -77.03307
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating47 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,940 (2024)
Projected traffic100,406 by 2032
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Simmons Run built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-81; SR 0081 over Simmons 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 May 2024.

How much traffic does I-81; SR 0081 over Simmons Run carry?

About 72,940 vehicles per day (2024 count), of which roughly 25% are trucks.

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

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

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

It is owned by the State Highway Agency.