US Bridges

Brentwood Drive over Slate Bottom Crk

Fair

Erie County, New York · 2.5 MI S of Depew · Structure no. 000000002260300

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
1,575
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Brentwood Drive over Slate Bottom Crk is a prestressed concrete box beam or girders - multiple carrying Brentwood Drive over Slate Bottom Crk in Erie County, New York. It was built in 1970, so it is 55 years old, older than the New York average of 53 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 1,575 vehicles a day, roughly 1% of them trucks, projected to reach 2,205 by 2040. The structure is 39 ft (11.9 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBrentwood Drive
CrossesSlate Bottom Crk
Location2.5 MI S of Depew
RouteCity Street 0
Coordinates42.86875, -78.72061
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating32.4 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width41 ft (12.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,575 (2020)
Projected traffic2,205 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$996,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brentwood Drive over Slate Bottom Crk built?

It was built in 1970, making it 55 years old in 2025.

What condition is Brentwood Drive over Slate Bottom Crk 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 August 2023.

How much traffic does Brentwood Drive over Slate Bottom Crk carry?

About 1,575 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Brentwood Drive over Slate Bottom Crk?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 41 ft wide.

Who owns Brentwood Drive over Slate Bottom Crk?

It is owned by the Town or Township Highway Agency.