US Bridges

South Street over Mill Creek

Fair

Rensselaer County, New York · City of Rensselaer S.St. · Structure no. 000000002202200

Built
1929
96 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
1,410
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Street over Mill Creek is a concrete slab carrying South Street over Mill Creek in Rensselaer County, New York. It was built in 1929, so it is 96 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 1,410 vehicles a day, roughly 4% of them trucks, projected to reach 1,974 by 2038. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Street
CrossesMill Creek
LocationCity of Rensselaer S.St.
RouteCity Street 0
Coordinates42.63536, -73.74256
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating50.3 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span33 ft (10 m)
Deck width28 ft (8.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,410 (2018)
Projected traffic1,974 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$835,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Street over Mill Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is South Street over Mill 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 March 2024.

How much traffic does South Street over Mill Creek carry?

About 1,410 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is South Street over Mill Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10 m) and a deck 28 ft wide.

Who owns South Street over Mill Creek?

It is owned by the City or Municipal Highway Agency.