US Bridges

Derrick Road over Foster Brook

Good

McKean County, Pennsylvania · Derrick City · Structure no. 000000000053929

Built
2018
7 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
3,390
2024 count
Owner
State
State Highway Agency

About this bridge

Derrick Road over Foster Brook is a prestressed concrete box beam or girders - multiple carrying Derrick Road over Foster Brook in McKean County, Pennsylvania. It was built in 2018, so it is 7 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 3,390 vehicles a day, roughly 6% of them trucks, projected to reach 4,051 by 2037. The structure is 73 ft (22.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDerrick Road
CrossesFoster Brook
LocationDerrick City
RouteState Highway 346
CountyMcKean County
StatePennsylvania
Coordinates41.97158, -78.57281
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span68 ft (20.7 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,390 (2024)
Projected traffic4,051 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Derrick Road over Foster Brook built?

It was built in 2018, making it 7 years old in 2025.

What condition is Derrick Road 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 2024.

How much traffic does Derrick Road over Foster Brook carry?

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

How long is Derrick Road over Foster Brook?

The structure is 73 ft (22.3 m) long with a longest span of 68 ft (20.7 m) and a deck 43 ft wide.

Who owns Derrick Road over Foster Brook?

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