US Bridges

Darlington RD over Wampum Run

Fair

Lawrence County, Pennsylvania · 0.75 Mi.S.W.Of Inter W/18 · Structure no. 000000000022446

Built
1911
114 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
21 ft
1 main span
Daily traffic
97
2024 count
Owner
State
State Highway Agency

About this bridge

Darlington RD over Wampum Run is a concrete arch - deck carrying Darlington RD over Wampum Run in Lawrence County, Pennsylvania. It was built in 1911, so it is 114 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 97 vehicles a day, roughly 5% of them trucks, projected to reach 85 by 2038. The structure is 21 ft (6.4 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesDarlington RD
CrossesWampum Run
Location0.75 Mi.S.W.Of Inter W/18
RouteState Highway 0
CountyLawrence County
StatePennsylvania
Coordinates40.87469, -80.35107
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span18 ft (5.5 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2024)
Projected traffic85 by 2038
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$42,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Darlington RD over Wampum Run built?

It was built in 1911, making it 114 years old in 2025.

What condition is Darlington RD over Wampum 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 April 2023.

How much traffic does Darlington RD over Wampum Run carry?

About 97 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Darlington RD over Wampum Run?

The structure is 21 ft (6.4 m) long with a longest span of 18 ft (5.5 m) and a deck 17 ft wide.

Who owns Darlington RD over Wampum Run?

It is owned by the State Highway Agency.