US Bridges

SR 4008 W.Brubaker over Speedwell Forge Lake

Fair

Lancaster County, Pennsylvania · 1 Mi. W. of TR 501 · Structure no. 000000000021698

Built
1965
60 years old, rebuilt 2000
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
2,636
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4008 W.Brubaker over Speedwell Forge Lake is a prestressed concrete box beam or girders - multiple carrying SR 4008 W.Brubaker over Speedwell Forge Lake in Lancaster County, Pennsylvania. It was built in 1965 and reconstructed in 2000, so it is 60 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 2,636 vehicles a day, roughly 6% of them trucks, projected to reach 2,611 by 2032. The structure is 126 ft (38.4 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 4008 W.Brubaker
CrossesSpeedwell Forge Lake
Location1 Mi. W. of TR 501
RouteState Highway 0
CountyLancaster County
StatePennsylvania
Coordinates40.20949, -76.31632
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating39 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,636 (2024)
Projected traffic2,611 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 4008 W.Brubaker over Speedwell Forge Lake built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2000.

What condition is SR 4008 W.Brubaker over Speedwell Forge Lake 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 February 2023.

How much traffic does SR 4008 W.Brubaker over Speedwell Forge Lake carry?

About 2,636 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 4008 W.Brubaker over Speedwell Forge Lake?

The structure is 126 ft (38.4 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns SR 4008 W.Brubaker over Speedwell Forge Lake?

It is owned by the State Highway Agency.