US Bridges

Adamson Road over Patterson Run

Good

Washington County, Pennsylvania · Marianna Borough · Structure no. 000000000052607

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
30
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Adamson Road over Patterson Run is a concrete culvert carrying Adamson Road over Patterson Run in Washington County, Pennsylvania. It was built in 2015, so it is 10 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 30 vehicles a day, projected to reach 36 by 2034. The structure is 27 ft (8.2 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAdamson Road
CrossesPatterson Run
LocationMarianna Borough
RouteCity Street 0
CountyWashington County
StatePennsylvania
Coordinates40.01023, -80.1178
Functional classRural 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2014)
Projected traffic36 by 2034
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Adamson Road over Patterson Run built?

It was built in 2015, making it 10 years old in 2025.

What condition is Adamson Road over Patterson 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 September 2023.

How much traffic does Adamson Road over Patterson Run carry?

About 30 vehicles per day (2014 count).

How long is Adamson Road over Patterson Run?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns Adamson Road over Patterson Run?

It is owned by the City or Municipal Highway Agency.