US Bridges

SR 1108 Ashton RD over Over SR 86 Eb/Wb So Tier

Fair

Erie County, Pennsylvania · Greenfield Township · Structure no. 000000000015872

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
293 ft
4 main spans
Daily traffic
187
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1108 Ashton RD over Over SR 86 Eb/Wb So Tier is a prestressed concrete stringer/multi-beam or girder carrying SR 1108 Ashton RD over Over SR 86 Eb/Wb So Tier in Erie County, Pennsylvania. It was built in 1987, so it is 38 years old, younger 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 6 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 187 vehicles a day, roughly 4% of them trucks, projected to reach 230 by 2032. The structure is 293 ft (89.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 1108 Ashton RD
CrossesOver SR 86 Eb/Wb So Tier
LocationGreenfield Township
RouteState Highway 0
Coordinates42.12588, -79.78308
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating108 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length293 ft (89.3 m)
Longest span106 ft (32.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic187 (2024)
Projected traffic230 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$201,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 1108 Ashton RD over Over SR 86 Eb/Wb So Tier built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR 1108 Ashton RD over Over SR 86 Eb/Wb So Tier 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 1108 Ashton RD over Over SR 86 Eb/Wb So Tier carry?

About 187 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 1108 Ashton RD over Over SR 86 Eb/Wb So Tier?

The structure is 293 ft (89.3 m) long with a longest span of 106 ft (32.3 m) and a deck 31 ft wide.

Who owns SR 1108 Ashton RD over Over SR 86 Eb/Wb So Tier?

It is owned by the State Highway Agency.