US Bridges

T-987 Brookdale DR over Slate Creek

Good

Westmoreland County, Pennsylvania · 190 South of SR 2013 · Structure no. 000000000036925

Built
1976
49 years old, rebuilt 2007
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
630
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-987 Brookdale DR over Slate Creek is a prestressed concrete box beam or girders - multiple carrying T-987 Brookdale DR over Slate Creek in Westmoreland County, Pennsylvania. It was built in 1976 and reconstructed in 2007, so it is 49 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 630 vehicles a day, projected to reach 840 by 2044. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT-987 Brookdale DR
CrossesSlate Creek
Location190 South of SR 2013
RouteCity Street 0T987
Coordinates40.28277, -79.51609
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2024)
Projected traffic840 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$130,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-987 Brookdale DR over Slate Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2007.

What condition is T-987 Brookdale DR over Slate 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 March 2024.

How much traffic does T-987 Brookdale DR over Slate Creek carry?

About 630 vehicles per day (2024 count).

How long is T-987 Brookdale DR over Slate Creek?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 24 ft wide.

Who owns T-987 Brookdale DR over Slate Creek?

It is owned by the Town or Township Highway Agency.