US Bridges

Willow Avenue over Marsh Run

Fair

Indiana County, Pennsylvania · Int of Willow & Maryland · Structure no. 000000000019530

Built
1954
71 years old, rebuilt 1961
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
950
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Willow Avenue over Marsh Run is a concrete culvert carrying Willow Avenue over Marsh Run in Indiana County, Pennsylvania. It was built in 1954 and reconstructed in 1961, so it is 71 years old, older 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 5 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 950 vehicles a day, roughly 10% of them trucks, projected to reach 1,330 by 2038. The structure is 39 ft (11.9 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWillow Avenue
CrossesMarsh Run
LocationInt of Willow & Maryland
RouteCity Street 0
CountyIndiana County
StatePennsylvania
Coordinates40.61512, -79.15256
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width68 ft (20.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2018)
Projected traffic1,330 by 2038
Trucks10%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Willow Avenue over Marsh Run built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1961.

What condition is Willow Avenue over Marsh Run 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 May 2024.

How much traffic does Willow Avenue over Marsh Run carry?

About 950 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Willow Avenue over Marsh Run?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 68 ft wide.

Who owns Willow Avenue over Marsh Run?

It is owned by the City or Municipal Highway Agency.