US Bridges

L.Dr.Crk.Valley RD over Little Deer Creek

Poor

Allegheny County, Pennsylvania · West Deer @ Orange Belt X · Structure no. 000000000001429

Built
1940
85 years old
Condition
Poor
inspected January 2023
Type
Frame
Concrete
Length
44 ft
2 main spans
Daily traffic
4,584
2024 count
Owner
State
State Highway Agency

About this bridge

L.Dr.Crk.Valley RD over Little Deer Creek is a concrete frame carrying L.Dr.Crk.Valley RD over Little Deer Creek in Allegheny County, Pennsylvania. It was built in 1940, so it is 85 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,584 vehicles a day, roughly 4% of them trucks, projected to reach 7,884 by 2032. The structure is 44 ft (13.4 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesL.Dr.Crk.Valley RD
CrossesLittle Deer Creek
LocationWest Deer @ Orange Belt X
RouteState Highway 0
Coordinates40.61708, -79.83374
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span20 ft (6.1 m)
Deck width49 ft (14.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,584 (2024)
Projected traffic7,884 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$351,000
NavigationNo navigation control on waterway

Frequently asked questions

When was L.Dr.Crk.Valley RD over Little Deer Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is L.Dr.Crk.Valley RD over Little Deer Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.

How much traffic does L.Dr.Crk.Valley RD over Little Deer Creek carry?

About 4,584 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is L.Dr.Crk.Valley RD over Little Deer Creek?

The structure is 44 ft (13.4 m) long with a longest span of 20 ft (6.1 m) and a deck 49 ft wide.

Who owns L.Dr.Crk.Valley RD over Little Deer Creek?

It is owned by the State Highway Agency.