US Bridges

T-670 Cty Br 105 over Lycoming Creek

Good

Lycoming County, Pennsylvania · 0.2 Mi. S End of Ralston · Structure no. 000000000041717

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
173 ft
2 main spans
Daily traffic
204
2023 count
Owner
County
County Highway Agency

About this bridge

T-670 Cty Br 105 over Lycoming Creek is a prestressed concrete continuous box beam or girders - multiple carrying T-670 Cty Br 105 over Lycoming Creek in Lycoming County, Pennsylvania. It was built in 2002, so it is 23 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 204 vehicles a day, roughly 25% of them trucks, projected to reach 315 by 2045. The structure is 173 ft (52.7 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT-670 Cty Br 105
CrossesLycoming Creek
Location0.2 Mi. S End of Ralston
RouteCity Street 0
Coordinates41.50357, -76.9541
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length173 ft (52.7 m)
Longest span85 ft (25.9 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204 (2023)
Projected traffic315 by 2045
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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-670 Cty Br 105 over Lycoming Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is T-670 Cty Br 105 over Lycoming 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 October 2023.

How much traffic does T-670 Cty Br 105 over Lycoming Creek carry?

About 204 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is T-670 Cty Br 105 over Lycoming Creek?

The structure is 173 ft (52.7 m) long with a longest span of 85 ft (25.9 m) and a deck 35 ft wide.

Who owns T-670 Cty Br 105 over Lycoming Creek?

It is owned by the County Highway Agency.