US Bridges

T-310 (CO.BR#11) over Towanda Creek

Good

Bradford County, Pennsylvania · 1.2 Mi. E of Canton Boro · Structure no. 000000000057196

Built
2019
6 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
89
2023 count
Owner
County
County Highway Agency

About this bridge

T-310 (CO.BR#11) over Towanda Creek is a prestressed concrete box beam or girders - multiple carrying T-310 (CO.BR#11) over Towanda Creek in Bradford County, Pennsylvania. It was built in 2019, so it is 6 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 89 vehicles a day, roughly 5% of them trucks, projected to reach 110 by 2045. The structure is 76 ft (23.2 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesT-310 (CO.BR#11)
CrossesTowanda Creek
Location1.2 Mi. E of Canton Boro
RouteCity Street 0
CountyBradford County
StatePennsylvania
Coordinates41.65989, -76.82833
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 protection7 GoodSome minor problems.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating58.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length76 ft (23.2 m)
Longest span72 ft (21.9 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (2023)
Projected traffic110 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-310 (CO.BR#11) over Towanda Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is T-310 (CO.BR#11) 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-310 (CO.BR#11) over Towanda Creek carry?

About 89 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is T-310 (CO.BR#11) over Towanda Creek?

The structure is 76 ft (23.2 m) long with a longest span of 72 ft (21.9 m) and a deck 18 ft wide.

Who owns T-310 (CO.BR#11) over Towanda Creek?

It is owned by the County Highway Agency.