US Bridges

RTE 9 over Mohawk River

Good

Albany County, New York · JCT of Rt 9 & Mohawk Rv · Structure no. 000000004005580

Built
1996
29 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,229 ft
5 main spans
Daily traffic
18,840
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over Mohawk River is a steel continuous stringer/multi-beam or girder carrying RTE 9 over Mohawk River in Albany County, New York. It was built in 1996, so it is 29 years old, younger 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.

It carries about 18,840 vehicles a day, roughly 6% of them trucks, projected to reach 18,928 by 2041. The structure is 1,229 ft (374.6 m) long and 83 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesRTE 9
CrossesMohawk River
LocationJCT of Rt 9 & Mohawk Rv
RouteU.S. Route 9
Coordinates42.82282, -73.7324
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length1,229 ft (374.6 m)
Longest span300 ft (91.4 m)
Deck width83 ft (25.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,840 (2016)
Projected traffic18,928 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$37 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 9 over Mohawk River built?

It was built in 1996, making it 29 years old in 2025.

What condition is RTE 9 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 September 2024.

How much traffic does RTE 9 over Mohawk River carry?

About 18,840 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is RTE 9 over Mohawk River?

The structure is 1,229 ft (374.6 m) long with a longest span of 300 ft (91.4 m) and a deck 83 ft wide.

Who owns RTE 9 over Mohawk River?

It is owned by the State Highway Agency.