US Bridges

Monroeville Blvd over Turtle Creek Branch

Fair

Allegheny County, Pennsylvania · TL10 Turtle Creek No 10 · Structure no. 000000000002638

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
4,122
2021 count
Owner
County
County Highway Agency

About this bridge

Monroeville Blvd over Turtle Creek Branch is a concrete slab carrying Monroeville Blvd over Turtle Creek Branch in Allegheny County, Pennsylvania. It was built in 1988, so it is 37 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 4,122 vehicles a day, roughly 6% of them trucks, projected to reach 4,600 by 2041. The structure is 28 ft (8.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMonroeville Blvd
CrossesTurtle Creek Branch
LocationTL10 Turtle Creek No 10
RouteCounty Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.41342, -79.80855
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,122 (2021)
Projected traffic4,600 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$45,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Monroeville Blvd over Turtle Creek Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Monroeville Blvd over Turtle Creek Branch 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 June 2023.

How much traffic does Monroeville Blvd over Turtle Creek Branch carry?

About 4,122 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Monroeville Blvd over Turtle Creek Branch?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 40 ft wide.

Who owns Monroeville Blvd over Turtle Creek Branch?

It is owned by the County Highway Agency.