US Bridges

T-729 Clark Road over Six Mile Creek

Good

Erie County, Pennsylvania · 1500 Ft SE of SR 0020 · Structure no. 000000000016443

Built
1989
36 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
1,011
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-729 Clark Road over Six Mile Creek is a prestressed concrete box beam or girders - multiple carrying T-729 Clark Road over Six Mile Creek in Erie County, Pennsylvania. It was built in 1989, so it is 36 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,011 vehicles a day, roughly 1% of them trucks, projected to reach 1,097 by 2033. The structure is 92 ft (28 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT-729 Clark Road
CrossesSix Mile Creek
Location1500 Ft SE of SR 0020
RouteCity Street 7210
Coordinates42.15395, -79.97836
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,011 (2013)
Projected traffic1,097 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T-729 Clark Road over Six Mile Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is T-729 Clark Road over Six Mile 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 2023.

How much traffic does T-729 Clark Road over Six Mile Creek carry?

About 1,011 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is T-729 Clark Road over Six Mile Creek?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns T-729 Clark Road over Six Mile Creek?

It is owned by the Town or Township Highway Agency.