US Bridges

SR0066 over Elder Run

Fair

Armstrong County, Pennsylvania · Lookabough NO.1 · Structure no. 000000000002995

Built
1951
74 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
28 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 culvert 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 28 ft (8.5 m) long.

Location

Open in Google Maps
CarriesSR0066
CrossesElder Run
LocationLookabough NO.1
RouteState Highway 66
CountyArmstrong County
StatePennsylvania
Coordinates40.65733, -79.60768
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed—
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 proposedNone recorded
Estimated improvement cost—
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 May 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 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).

Who owns SR0066 over Elder Run?

It is owned by the State Highway Agency.