US Bridges

SR 79 SB over Over Walnut Creek

Good

Erie County, Pennsylvania · Mill Creek Township · Structure no. 000000000041230

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
14,025
2024 count
Owner
State
State Highway Agency

About this bridge

SR 79 SB over Over Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 79 SB over Over Walnut Creek in Erie County, Pennsylvania. It was built in 2001, so it is 24 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 14,025 vehicles a day, roughly 5% of them trucks, projected to reach 20,632 by 2032. The structure is 94 ft (28.7 m) long and 55 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 79 SB
CrossesOver Walnut Creek
LocationMill Creek Township
RouteInterstate 79
Coordinates42.072, -80.10743
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length94 ft (28.7 m)
Longest span92 ft (28 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,025 (2024)
Projected traffic20,632 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 79 SB over Over Walnut Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 79 SB over Over Walnut Creek 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 August 2024.

How much traffic does SR 79 SB over Over Walnut Creek carry?

About 14,025 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 79 SB over Over Walnut Creek?

The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28 m) and a deck 55 ft wide.

Who owns SR 79 SB over Over Walnut Creek?

It is owned by the State Highway Agency.