US Bridges

Ellwood Road over Big Run

Fair

Lawrence County, Pennsylvania · At Entrance Cascade Pk · Structure no. 000000000022223

Built
1904
121 years old, rebuilt 1940
Condition
Fair
inspected March 2023
Type
Culvert
Masonry
Length
27 ft
1 main span
Daily traffic
8,919
2024 count
Owner
State
State Highway Agency

About this bridge

Ellwood Road over Big Run is a masonry culvert carrying Ellwood Road over Big Run in Lawrence County, Pennsylvania. It was built in 1904 and reconstructed in 1940, so it is 121 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 8,919 vehicles a day, roughly 4% of them trucks, projected to reach 11,750 by 2032. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesEllwood Road
CrossesBig Run
LocationAt Entrance Cascade Pk
RouteState Highway 65
CountyLawrence County
StatePennsylvania
Coordinates40.97762, -80.3184
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 protection7 GoodSome minor problems.
Culvert5 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
ScourFoundations stable; scour above top of footing
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
MaterialMasonry
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,919 (2024)
Projected traffic11,750 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$403,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ellwood Road over Big Run built?

It was built in 1904, making it 121 years old in 2025. It was reconstructed in 1940.

What condition is Ellwood Road over Big 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 Ellwood Road over Big Run carry?

About 8,919 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Ellwood Road over Big Run?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m).

Who owns Ellwood Road over Big Run?

It is owned by the State Highway Agency.