US Bridges

T-320 (CO.BR.#18) over Towanda Creek

Good

Bradford County, Pennsylvania · .2 Mi. S. of Int. SR-414 · Structure no. 000000000057198

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

T-320 (CO.BR.#18) over Towanda Creek is a prestressed concrete box beam or girders - multiple carrying T-320 (CO.BR.#18) over Towanda Creek in Bradford County, Pennsylvania. It was built in 2020, so it is 5 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 155 by 2045. The structure is 105 ft (32 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-320 (CO.BR.#18)
CrossesTowanda Creek
Location.2 Mi. S. of Int. SR-414
RouteCity Street 0
Coordinates41.66302, -76.7379
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length105 ft (32 m)
Longest span101 ft (30.8 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic155 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-320 (CO.BR.#18) over Towanda Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is T-320 (CO.BR.#18) over Towanda 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 July 2023.

How much traffic does T-320 (CO.BR.#18) over Towanda Creek carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is T-320 (CO.BR.#18) over Towanda Creek?

The structure is 105 ft (32 m) long with a longest span of 101 ft (30.8 m) and a deck 18 ft wide.

Who owns T-320 (CO.BR.#18) over Towanda Creek?

It is owned by the County Highway Agency.