US Bridges

T798 Shadow Bk. DR over Snake Creek

Fair

Susquehanna County, Pennsylvania · 4 Miles West of Hallstead · Structure no. 000000000032701

Built
1903
122 years old, rebuilt 1989
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
75
2011 count
Owner
County
County Highway Agency

About this bridge

T798 Shadow Bk. DR over Snake Creek is a steel stringer/multi-beam or girder carrying T798 Shadow Bk. DR over Snake Creek in Susquehanna County, Pennsylvania. It was built in 1903 and reconstructed in 1989, so it is 122 years old, older 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 75 vehicles a day, roughly 2% of them trucks, projected to reach 100 by 2031. The structure is 82 ft (25 m) long and 21 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesT798 Shadow Bk. DR
CrossesSnake Creek
Location4 Miles West of Hallstead
RouteCity Street 0
CountySusquehanna County
StatePennsylvania
Coordinates41.95712, -75.82362
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length82 ft (25 m)
Longest span75 ft (22.9 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2011)
Projected traffic100 by 2031
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$618,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T798 Shadow Bk. DR over Snake Creek built?

It was built in 1903, making it 122 years old in 2025. It was reconstructed in 1989.

What condition is T798 Shadow Bk. DR over Snake 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 May 2023.

How much traffic does T798 Shadow Bk. DR over Snake Creek carry?

About 75 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is T798 Shadow Bk. DR over Snake Creek?

The structure is 82 ft (25 m) long with a longest span of 75 ft (22.9 m) and a deck 21 ft wide.

Who owns T798 Shadow Bk. DR over Snake Creek?

It is owned by the County Highway Agency.