US Bridges

Steffen Hill Road over Walnut Bottom Run

Good

Beaver County, Pennsylvania · 849 West of SR 0018 · Structure no. 000000000053630

Built
2017
8 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
6,690
2024 count
Owner
State
State Highway Agency

About this bridge

Steffen Hill Road over Walnut Bottom Run is a concrete culvert carrying Steffen Hill Road over Walnut Bottom Run in Beaver 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 6,690 vehicles a day, roughly 4% of them trucks, projected to reach 10,898 by 2032. The structure is 22 ft (6.7 m) long and 83 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSteffen Hill Road
CrossesWalnut Bottom Run
Location849 West of SR 0018
RouteState Highway 588
Coordinates40.76413, -80.32314
Functional classUrban Minor Arterial

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 inspectionJuly 2024
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width83 ft (25.4 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,690 (2024)
Projected traffic10,898 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Steffen Hill Road over Walnut Bottom Run built?

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

What condition is Steffen Hill Road over Walnut Bottom 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 July 2024.

How much traffic does Steffen Hill Road over Walnut Bottom Run carry?

About 6,690 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Steffen Hill Road over Walnut Bottom Run?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 83 ft wide.

Who owns Steffen Hill Road over Walnut Bottom Run?

It is owned by the State Highway Agency.