US Bridges

Morrow RD (SR3008) over Mclaughlin Run

Good

Allegheny County, Pennsylvania · 200W.OF Inter.W/Sr 3004 · Structure no. 000000000053805

Built
2017
8 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
3,076
2024 count
Owner
State
State Highway Agency

About this bridge

Morrow RD (SR3008) over Mclaughlin Run is a concrete culvert carrying Morrow RD (SR3008) over Mclaughlin Run in Allegheny County, Pennsylvania. It was built in 2017, so it is 8 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,076 vehicles a day, roughly 3% of them trucks, projected to reach 2,976 by 2037. The structure is 23 ft (7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMorrow RD (SR3008)
CrossesMclaughlin Run
Location200W.OF Inter.W/Sr 3004
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.34019, -80.07908
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating36.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width33 ft (10.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,076 (2024)
Projected traffic2,976 by 2037
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Morrow RD (SR3008) over Mclaughlin Run built?

It was built in 2017, making it 8 years old in 2025.

What condition is Morrow RD (SR3008) over Mclaughlin Run 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 March 2023.

How much traffic does Morrow RD (SR3008) over Mclaughlin Run carry?

About 3,076 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Morrow RD (SR3008) over Mclaughlin Run?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 33 ft wide.

Who owns Morrow RD (SR3008) over Mclaughlin Run?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).