US Bridges

SR0066 over Elder Run

Fair

Armstrong County, Pennsylvania · Lookabough NO.2 · Structure no. 000000000002996

Built
1951
74 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
3,972
2024 count
Owner
State
State Highway Agency

About this bridge

SR0066 over Elder Run is a concrete tee beam carrying SR0066 over Elder Run in Armstrong County, Pennsylvania. It was built in 1951, so it is 74 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 3,972 vehicles a day, roughly 13% of them trucks, projected to reach 5,661 by 2032. The structure is 33 ft (10.1 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR0066
CrossesElder Run
LocationLookabough NO.2
RouteState Highway 66
CountyArmstrong County
StatePennsylvania
Coordinates40.66376, -79.60539
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,972 (2024)
Projected traffic5,661 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$157,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR0066 over Elder Run built?

It was built in 1951, making it 74 years old in 2025.

What condition is SR0066 over Elder 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 June 2024.

How much traffic does SR0066 over Elder Run carry?

About 3,972 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR0066 over Elder Run?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.

Who owns SR0066 over Elder Run?

It is owned by the State Highway Agency.