US Bridges

RTE 143 over Unknown Stream

Fair

Albany County, New York · 1.5MI E of Jun 32 & 143 · Structure no. 000000001074990

Built
1912
113 years old, rebuilt 1994
Condition
Fair
inspected June 2024
Type
Culvert
Other
Length
24 ft
4 main spans
Daily traffic
947
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 143 over Unknown Stream is a other culvert carrying RTE 143 over Unknown Stream in Albany County, New York. It was built in 1912 and reconstructed in 1994, so it is 113 years old, older 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 5 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 947 vehicles a day, roughly 8% of them trucks, projected to reach 1,326 by 2040. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesRTE 143
CrossesUnknown Stream
Location1.5MI E of Jun 32 & 143
RouteState Highway 143
CountyAlbany County
StateNew York
Coordinates42.49326, -73.94113
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialOther
DeckNot applicable
Main spans4
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic947 (2020)
Projected traffic1,326 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$194,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 143 over Unknown Stream built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1994.

What condition is RTE 143 over Unknown Stream 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 June 2024.

How much traffic does RTE 143 over Unknown Stream carry?

About 947 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 143 over Unknown Stream?

The structure is 24 ft (7.3 m) long with a longest span of 5 ft (1.5 m).

Who owns RTE 143 over Unknown Stream?

It is owned by the State Highway Agency.