US Bridges

Derrick RD (SR346) over Foster Brook

Good

McKean County, Pennsylvania · 3 MI E Bradford · Structure no. 000000000053928

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
3,390
2024 count
Owner
State
State Highway Agency

About this bridge

Derrick RD (SR346) over Foster Brook is a prestressed concrete box beam or girders - multiple carrying Derrick RD (SR346) over Foster Brook in McKean 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 3,390 vehicles a day, roughly 6% of them trucks, projected to reach 3,696 by 2037. The structure is 66 ft (20.1 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesDerrick RD (SR346)
CrossesFoster Brook
Location3 MI E Bradford
RouteState Highway 346
CountyMcKean County
StatePennsylvania
Coordinates41.97174, -78.58409
Functional classUrban 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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length66 ft (20.1 m)
Longest span61 ft (18.6 m)
Deck width43 ft (13 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,390 (2024)
Projected traffic3,696 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
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 Derrick RD (SR346) over Foster Brook built?

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

What condition is Derrick RD (SR346) over Foster Brook 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 June 2023.

How much traffic does Derrick RD (SR346) over Foster Brook carry?

About 3,390 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Derrick RD (SR346) over Foster Brook?

The structure is 66 ft (20.1 m) long with a longest span of 61 ft (18.6 m) and a deck 43 ft wide.

Who owns Derrick RD (SR346) over Foster Brook?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).