US Bridges

SR2046 over Trib to Rattling Run

Fair

Armstrong County, Pennsylvania · Lambings · Structure no. 000000000003230

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
334
2024 count
Owner
State
State Highway Agency

About this bridge

SR2046 over Trib to Rattling Run is a concrete slab carrying SR2046 over Trib to Rattling Run in Armstrong County, Pennsylvania. It was built in 1967, so it is 58 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 334 vehicles a day, roughly 15% of them trucks, projected to reach 473 by 2032. The structure is 25 ft (7.6 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR2046
CrossesTrib to Rattling Run
LocationLambings
RouteState Highway 0
CountyArmstrong County
StatePennsylvania
Coordinates40.58824, -79.52206
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 inspectionJanuary 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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic334 (2024)
Projected traffic473 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$130,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR2046 over Trib to Rattling Run built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR2046 over Trib to Rattling 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 January 2024.

How much traffic does SR2046 over Trib to Rattling Run carry?

About 334 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SR2046 over Trib to Rattling Run?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 38 ft wide.

Who owns SR2046 over Trib to Rattling Run?

It is owned by the State Highway Agency.