US Bridges

SR 2036 over Carnahan Run

Good

Armstrong County, Pennsylvania · 1.1 MI E SR 2057 Inter. · Structure no. 000000000054501

Built
2017
8 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
494
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2036 over Carnahan Run is a prestressed concrete stringer/multi-beam or girder carrying SR 2036 over Carnahan Run in Armstrong County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 494 vehicles a day, roughly 5% of them trucks, projected to reach 982 by 2032. The structure is 59 ft (18 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 2036
CrossesCarnahan Run
Location1.1 MI E SR 2057 Inter.
RouteState Highway 0
Coordinates40.63731, -79.51489
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length59 ft (18 m)
Longest span55 ft (16.8 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic494 (2024)
Projected traffic982 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 2036 over Carnahan Run built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR 2036 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 August 2024.

How much traffic does SR 2036 over Carnahan Run carry?

About 494 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 2036 over Carnahan Run?

The structure is 59 ft (18 m) long with a longest span of 55 ft (16.8 m) and a deck 29 ft wide.

Who owns SR 2036 over Carnahan Run?

It is owned by the State Highway Agency.