US Bridges

South Ann Street over Mohawk River

GoodPosted for load

Herkimer County, New York · City of Little Falls · Structure no. 000000002255540

Built
1933
92 years old, rebuilt 2013
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
2 main spans
Daily traffic
171
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Ann Street over Mohawk River is a steel stringer/multi-beam or girder carrying South Ann Street over Mohawk River in Herkimer County, New York. It was built in 1933 and reconstructed in 2013, so it is 92 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 171 vehicles a day, roughly 6% of them trucks, projected to reach 239 by 2037. The structure is 146 ft (44.5 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Ann Street
CrossesMohawk River
LocationCity of Little Falls
RouteCity Street 0
Coordinates43.04012, -74.85891
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length146 ft (44.5 m)
Longest span96 ft (29.3 m)
Deck width23 ft (7.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic171 (2017)
Projected traffic239 by 2037
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Ann Street over Mohawk River built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2013.

What condition is South Ann Street over Mohawk River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does South Ann Street over Mohawk River carry?

About 171 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is South Ann Street over Mohawk River?

The structure is 146 ft (44.5 m) long with a longest span of 96 ft (29.3 m) and a deck 23 ft wide.

Who owns South Ann Street over Mohawk River?

It is owned by the City or Municipal Highway Agency.