US Bridges

Cochrans Mills RD over Lick Run Creek

Poor

Allegheny County, Pennsylvania · 0.5 MI S Bureau of Mines · Structure no. 000000000001724

Built
1901
124 years old
Condition
Poor
inspected March 2024
Type
Arch - Deck
Masonry
Length
24 ft
1 main span
Daily traffic
1,115
2023 count
Owner
State
State Highway Agency

About this bridge

Cochrans Mills RD over Lick Run Creek is a masonry arch - deck carrying Cochrans Mills RD over Lick Run Creek in Allegheny County, Pennsylvania. It was built in 1901, so it is 124 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 1,115 vehicles a day, roughly 5% of them trucks, projected to reach 5,476 by 2032. The structure is 24 ft (7.3 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCochrans Mills RD
CrossesLick Run Creek
Location0.5 MI S Bureau of Mines
RouteState Highway 0
Coordinates40.29294, -79.97019
Functional classUrban Local

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
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,115 (2023)
Projected traffic5,476 by 2032
Trucks5%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$30,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cochrans Mills RD over Lick Run Creek built?

It was built in 1901, making it 124 years old in 2025.

What condition is Cochrans Mills RD over Lick Run 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 March 2024.

How much traffic does Cochrans Mills RD over Lick Run Creek carry?

About 1,115 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Cochrans Mills RD over Lick Run Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 19 ft wide.

Who owns Cochrans Mills RD over Lick Run Creek?

It is owned by the State Highway Agency.