US Bridges

T-408 (CO.BR.1) over South Br. Towanda Creek

Fair

Bradford County, Pennsylvania · 0.1M NE SR 220 Laddsburg · Structure no. 000000000006559

Built
1979
46 years old, rebuilt 2016
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

T-408 (CO.BR.1) over South Br. Towanda Creek is a prestressed concrete box beam or girders - multiple carrying T-408 (CO.BR.1) over South Br. Towanda Creek in Bradford County, Pennsylvania. It was built in 1979 and reconstructed in 2016, so it is 46 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 7% of them trucks, projected to reach 155 by 2043. The structure is 77 ft (23.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-408 (CO.BR.1)
CrossesSouth Br. Towanda Creek
Location0.1M NE SR 220 Laddsburg
RouteCity Street 0
Coordinates41.57478, -76.41792
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating0 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span76 ft (23.2 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic155 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-408 (CO.BR.1) over South Br. Towanda Creek built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2016.

What condition is T-408 (CO.BR.1) over South Br. Towanda Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does T-408 (CO.BR.1) over South Br. Towanda Creek carry?

About 100 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is T-408 (CO.BR.1) over South Br. Towanda Creek?

The structure is 77 ft (23.5 m) long with a longest span of 76 ft (23.2 m) and a deck 28 ft wide.

Who owns T-408 (CO.BR.1) over South Br. Towanda Creek?

It is owned by the County Highway Agency.