US Bridges

SR 79 SB over Over Rock Creek

Good

Crawford County, Pennsylvania · Greenwood Township · Structure no. 000000000012981

Built
1969
56 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
6,474
2023 count
Owner
State
State Highway Agency

About this bridge

SR 79 SB over Over Rock Creek is a concrete culvert carrying SR 79 SB over Over Rock Creek in Crawford County, Pennsylvania. It was built in 1969, so it is 56 years old, older 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 6,474 vehicles a day, roughly 24% of them trucks, projected to reach 11,306 by 2032. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 79 SB
CrossesOver Rock Creek
LocationGreenwood Township
RouteInterstate 79
Coordinates41.51011, -80.17224
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,474 (2023)
Projected traffic11,306 by 2032
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$540,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 79 SB over Over Rock Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is SR 79 SB over Over Rock Creek 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 April 2024.

How much traffic does SR 79 SB over Over Rock Creek carry?

About 6,474 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is SR 79 SB over Over Rock Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 79 SB over Over Rock Creek?

It is owned by the State Highway Agency.