US Bridges

I-81; SR 0081 over Manada Creek

Fair

Dauphin County, Pennsylvania · 1 Mi. N.E. Manada · Structure no. 000000000014247

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
60 ft
1 main span
Daily traffic
57,540
2024 count
Owner
State
State Highway Agency

About this bridge

I-81; SR 0081 over Manada Creek is a concrete culvert carrying I-81; SR 0081 over Manada Creek in Dauphin County, Pennsylvania. It was built in 1967, so it is 58 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 57,540 vehicles a day, roughly 36% of them trucks, projected to reach 78,967 by 2032. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesI-81; SR 0081
CrossesManada Creek
Location1 Mi. N.E. Manada
RouteInterstate 81
CountyDauphin County
StatePennsylvania
Coordinates40.36322, -76.70539
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,540 (2024)
Projected traffic78,967 by 2032
Trucks36%
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 Manada Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-81; SR 0081 over Manada Creek 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 September 2024.

How much traffic does I-81; SR 0081 over Manada Creek carry?

About 57,540 vehicles per day (2024 count), of which roughly 36% are trucks.

How long is I-81; SR 0081 over Manada Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m).

Who owns I-81; SR 0081 over Manada Creek?

It is owned by the State Highway Agency.