US Bridges

SR 308 Franklin RD over Over Scrubgrass Creek

Fair

Venango County, Pennsylvania · Clinton Township · Structure no. 000000000033740

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
46 ft
1 main span
Daily traffic
968
2024 count
Owner
State
State Highway Agency

About this bridge

SR 308 Franklin RD over Over Scrubgrass Creek is a concrete culvert carrying SR 308 Franklin RD over Over Scrubgrass Creek in Venango County, Pennsylvania. It was built in 1968, so it is 57 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 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 968 vehicles a day, roughly 15% of them trucks, projected to reach 1,589 by 2032. The structure is 46 ft (14 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 308 Franklin RD
CrossesOver Scrubgrass Creek
LocationClinton Township
RouteState Highway 308
Coordinates41.21067, -79.88006
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic968 (2024)
Projected traffic1,589 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 308 Franklin RD over Over Scrubgrass Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR 308 Franklin RD over Over Scrubgrass Creek 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 October 2023.

How much traffic does SR 308 Franklin RD over Over Scrubgrass Creek carry?

About 968 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SR 308 Franklin RD over Over Scrubgrass Creek?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m).

Who owns SR 308 Franklin RD over Over Scrubgrass Creek?

It is owned by the State Highway Agency.