US Bridges

Alexandria Road over West Branch Black Creek

Fair

Jefferson County, New York · Btn Trn Areas 8B & 8C · Structure no. DAPFORDRU000023

Built
1999
26 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
50
2015 count
Owner
Federal
Army

About this bridge

Alexandria Road over West Branch Black Creek is a steel stringer/multi-beam or girder carrying Alexandria Road over West Branch Black Creek in Jefferson County, New York. It was built in 1999, so it is 26 years old, younger than the New York average of 53 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 50 vehicles a day, projected to reach 55 by 2046. The structure is 32 ft (9.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAlexandria Road
CrossesWest Branch Black Creek
LocationBtn Trn Areas 8B & 8C
CountyJefferson County
StateNew York
Coordinates44.0947, -75.65895
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating87.5 US tons
Inventory rating67.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span28 ft (8.5 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2015)
Projected traffic55 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Alexandria Road over West Branch Black Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Alexandria Road over West Branch Black 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 2024.

How much traffic does Alexandria Road over West Branch Black Creek carry?

About 50 vehicles per day (2015 count).

How long is Alexandria Road over West Branch Black Creek?

The structure is 32 ft (9.9 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns Alexandria Road over West Branch Black Creek?

It is owned by the Army.