US Bridges

SR2058 over Carnahan Run

Fair

Armstrong County, Pennsylvania · Carnahan Run NO.2 · Structure no. 000000000003249

Built
1992
33 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
87
2024 count
Owner
State
State Highway Agency

About this bridge

SR2058 over Carnahan Run is a concrete channel beam carrying SR2058 over Carnahan Run in Armstrong County, Pennsylvania. It was built in 1992, so it is 33 years old, younger 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 6 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 87 vehicles a day, projected to reach 50 by 2032. The structure is 36 ft (11 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR2058
CrossesCarnahan Run
LocationCarnahan Run NO.2
RouteState Highway 0
CountyArmstrong County
StatePennsylvania
Coordinates40.62072, -79.55958
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating101 US tons
Inventory rating60 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2024)
Projected traffic50 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$84,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR2058 over Carnahan Run built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR2058 over Carnahan 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 2024.

How much traffic does SR2058 over Carnahan Run carry?

About 87 vehicles per day (2024 count).

How long is SR2058 over Carnahan Run?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns SR2058 over Carnahan Run?

It is owned by the State Highway Agency.