US Bridges

East Main ST T-500 over Owl Run

Fair

Lebanon County, Pennsylvania · E Main Extended Myerstown · Structure no. 000000000022850

Built
1930
95 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
500
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

East Main ST T-500 over Owl Run is a concrete tee beam carrying East Main ST T-500 over Owl Run in Lebanon County, Pennsylvania. It was built in 1930, so it is 95 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 500 vehicles a day, roughly 3% of them trucks, projected to reach 700 by 2033. The structure is 34 ft (10.4 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEast Main ST T-500
CrossesOwl Run
LocationE Main Extended Myerstown
RouteCity Street 0
Coordinates40.37689, -76.29466
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2013)
Projected traffic700 by 2033
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$72,000
NavigationNo navigation control on waterway

Frequently asked questions

When was East Main ST T-500 over Owl Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is East Main ST T-500 over Owl 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 March 2023.

How much traffic does East Main ST T-500 over Owl Run carry?

About 500 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is East Main ST T-500 over Owl Run?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 44 ft wide.

Who owns East Main ST T-500 over Owl Run?

It is owned by the Town or Township Highway Agency.