US Bridges

SR 4012 over Robinson Run

Good

Washington County, Pennsylvania · Mt Pleasant &robinson Twp · Structure no. 000000000056726

Built
2019
6 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
2,058
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4012 over Robinson Run is a concrete culvert carrying SR 4012 over Robinson Run in Washington County, Pennsylvania. It was built in 2019, so it is 6 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 2,058 vehicles a day, roughly 9% of them trucks, projected to reach 5,100 by 2044. The structure is 25 ft (7.6 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 4012
CrossesRobinson Run
LocationMt Pleasant &robinson Twp
RouteState Highway 0
Coordinates40.36401, -80.27975
Functional classUrban Collector

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 inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width51 ft (15.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,058 (2024)
Projected traffic5,100 by 2044
Trucks9%
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

OwnerState Highway Agency
Maintained byState Highway Agency
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 SR 4012 over Robinson Run built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR 4012 over Robinson 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 June 2024.

How much traffic does SR 4012 over Robinson Run carry?

About 2,058 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 4012 over Robinson Run?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 51 ft wide.

Who owns SR 4012 over Robinson Run?

It is owned by the State Highway Agency.