US Bridges

SR 531 Depot Road over Over Six Mile Creek

Fair

Erie County, Pennsylvania · Harbor Creek Township · Structure no. 000000000016185

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
1,442
2024 count
Owner
State
State Highway Agency

About this bridge

SR 531 Depot Road over Over Six Mile Creek is a concrete culvert carrying SR 531 Depot Road over Over Six Mile Creek in Erie County, Pennsylvania. It was built in 1954, 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 1,442 vehicles a day, roughly 6% of them trucks, projected to reach 2,912 by 2032. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 531 Depot Road
CrossesOver Six Mile Creek
LocationHarbor Creek Township
RouteState Highway 531
CountyErie County
StatePennsylvania
Coordinates42.12276, -79.92238
Functional classRural Major Collector

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,442 (2024)
Projected traffic2,912 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$353,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 531 Depot Road over Over Six Mile Creek built?

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

What condition is SR 531 Depot Road over Over Six Mile Creek 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 October 2023.

How much traffic does SR 531 Depot Road over Over Six Mile Creek carry?

About 1,442 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 531 Depot Road over Over Six Mile Creek?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m).

Who owns SR 531 Depot Road over Over Six Mile Creek?

It is owned by the State Highway Agency.