US Bridges

SR 90 WB over Over Twenty Mile Creek

Fair

Erie County, Pennsylvania · North East Township · Structure no. 000000000016117

Built
1959
66 years old, rebuilt 2001
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
3 main spans
Daily traffic
10,160
2024 count
Owner
State
State Highway Agency

About this bridge

SR 90 WB over Over Twenty Mile Creek is a steel continuous stringer/multi-beam or girder carrying SR 90 WB over Over Twenty Mile Creek in Erie County, Pennsylvania. It was built in 1959 and reconstructed in 2001, so it is 66 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 10,160 vehicles a day, roughly 35% of them trucks, projected to reach 5,210 by 2032. The structure is 254 ft (77.4 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 90 WB
CrossesOver Twenty Mile Creek
LocationNorth East Township
RouteInterstate 90
Coordinates42.24209, -79.77407
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,160 (2024)
Projected traffic5,210 by 2032
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 SR 90 WB over Over Twenty Mile Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2001.

What condition is SR 90 WB over Over Twenty 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 June 2023.

How much traffic does SR 90 WB over Over Twenty Mile Creek carry?

About 10,160 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is SR 90 WB over Over Twenty Mile Creek?

The structure is 254 ft (77.4 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns SR 90 WB over Over Twenty Mile Creek?

It is owned by the State Highway Agency.