US Bridges

SR 4018 over Riggles Gap Run

Fair

Blair County, Pennsylvania · .5 Mi.W.Of Pinecroft · Structure no. 000000000005859

Built
1931
94 years old, rebuilt 1990
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
1,538
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4018 over Riggles Gap Run is a steel stringer/multi-beam or girder carrying SR 4018 over Riggles Gap Run in Blair County, Pennsylvania. It was built in 1931 and reconstructed in 1990, so it is 94 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 1,538 vehicles a day, roughly 9% of them trucks, projected to reach 2,101 by 2032. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 4018
CrossesRiggles Gap Run
Location.5 Mi.W.Of Pinecroft
RouteState Highway 0
CountyBlair County
StatePennsylvania
Coordinates40.57369, -78.35244
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,538 (2024)
Projected traffic2,101 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$606,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4018 over Riggles Gap Run built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1990.

What condition is SR 4018 over Riggles Gap 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 2024.

How much traffic does SR 4018 over Riggles Gap Run carry?

About 1,538 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 4018 over Riggles Gap Run?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns SR 4018 over Riggles Gap Run?

It is owned by the State Highway Agency.