US Bridges

SR 6-US 6 over Lyman Creek

Good

Potter County, Pennsylvania · Sweden Valley · Structure no. 000000000030100

Built
1962
63 years old, rebuilt 2021
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
5,471
2024 count
Owner
State
State Highway Agency

About this bridge

SR 6-US 6 over Lyman Creek is a prestressed concrete box beam or girders - multiple carrying SR 6-US 6 over Lyman Creek in Potter County, Pennsylvania. It was built in 1962 and reconstructed in 2021, so it is 63 years old, older 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 5,471 vehicles a day, roughly 13% of them trucks, projected to reach 6,860 by 2043. The structure is 36 ft (11 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR 6-US 6
CrossesLyman Creek
LocationSweden Valley
RouteU.S. Route 6
CountyPotter County
StatePennsylvania
Coordinates41.75777, -77.95275
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,471 (2024)
Projected traffic6,860 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$414,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 6-US 6 over Lyman Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2021.

What condition is SR 6-US 6 over Lyman 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 April 2023.

How much traffic does SR 6-US 6 over Lyman Creek carry?

About 5,471 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 6-US 6 over Lyman Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 40 ft wide.

Who owns SR 6-US 6 over Lyman Creek?

It is owned by the State Highway Agency.