US Bridges

Mcclelland RD over Deer Creek

Good

Allegheny County, Pennsylvania · DE09 Deer Creek No. 9 · Structure no. 000000000002317

Built
1892
133 years old, rebuilt 2019
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
251
2019 count
Owner
County
County Highway Agency

About this bridge

Mcclelland RD over Deer Creek is a prestressed concrete box beam or girders - multiple carrying Mcclelland RD over Deer Creek in Allegheny County, Pennsylvania. It was built in 1892 and reconstructed in 2019, so it is 133 years old, older 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 251 vehicles a day, roughly 2% of them trucks, projected to reach 354 by 2039. The structure is 55 ft (16.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMcclelland RD
CrossesDeer Creek
LocationDE09 Deer Creek No. 9
RouteCity Street 0
Coordinates40.56619, -79.85724
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating67.5 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span53 ft (16.2 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic251 (2019)
Projected traffic354 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$118,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcclelland RD over Deer Creek built?

It was built in 1892, making it 133 years old in 2025. It was reconstructed in 2019.

What condition is Mcclelland RD over Deer 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 October 2024.

How much traffic does Mcclelland RD over Deer Creek carry?

About 251 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Mcclelland RD over Deer Creek?

The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 28 ft wide.

Who owns Mcclelland RD over Deer Creek?

It is owned by the County Highway Agency.