US Bridges

SR 2066 over Carnahan Run

Good

Armstrong County, Pennsylvania · 0.1 Mi. S SR2036 Intersec · Structure no. 000000000047481

Built
2012
13 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
4,155
2023 count
Owner
State
State Highway Agency

About this bridge

SR 2066 over Carnahan Run is a steel stringer/multi-beam or girder carrying SR 2066 over Carnahan Run in Armstrong County, Pennsylvania. It was built in 2012, so it is 13 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,155 vehicles a day, roughly 13% of them trucks, projected to reach 5,601 by 2032. The structure is 62 ft (18.9 m) long and 39 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSR 2066
CrossesCarnahan Run
Location0.1 Mi. S SR2036 Intersec
RouteState Highway 660
CountyArmstrong County
StatePennsylvania
Coordinates40.64194, -79.53437
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length62 ft (18.9 m)
Longest span59 ft (18 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,155 (2023)
Projected traffic5,601 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 2066 over Carnahan Run built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR 2066 over Carnahan Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does SR 2066 over Carnahan Run carry?

About 4,155 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 2066 over Carnahan Run?

The structure is 62 ft (18.9 m) long with a longest span of 59 ft (18 m) and a deck 39 ft wide.

Who owns SR 2066 over Carnahan Run?

It is owned by the State Highway Agency.