US Bridges

Rich Hill RD over Deer Creek

Fair

Allegheny County, Pennsylvania · DE04 Deer Creek No. 4 · Structure no. 000000000002315

Built
1978
47 years old, rebuilt 2010
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
398
2005 count
Owner
County
County Highway Agency

About this bridge

Rich Hill RD over Deer Creek is a prestressed concrete box beam or girders - multiple carrying Rich Hill RD over Deer Creek in Allegheny County, Pennsylvania. It was built in 1978 and reconstructed in 2010, so it is 47 years old, younger 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 398 vehicles a day, roughly 7% of them trucks, projected to reach 398 by 2025. The structure is 62 ft (18.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRich Hill RD
CrossesDeer Creek
LocationDE04 Deer Creek No. 4
RouteCity Street 0
Coordinates40.55748, -79.83919
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment6: Equal to present minimum criteria
Operating rating107 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2005)
Projected traffic398 by 2025
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$189,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rich Hill RD over Deer Creek built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2010.

What condition is Rich Hill RD over Deer Creek 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 October 2024.

How much traffic does Rich Hill RD over Deer Creek carry?

About 398 vehicles per day (2005 count), of which roughly 7% are trucks.

How long is Rich Hill RD over Deer Creek?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Rich Hill RD over Deer Creek?

It is owned by the County Highway Agency.