US Bridges

RTE 470 over East Branch Mohawk River

Good

Albany County, New York · 0.4 MI E JCT SH 32 & 470 · Structure no. 000000002200470

Built
1989
36 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
3 main spans
Daily traffic
13,264
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

RTE 470 over East Branch Mohawk River is a steel continuous stringer/multi-beam or girder carrying RTE 470 over East Branch Mohawk River in Albany County, New York. It was built in 1989, so it is 36 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 13,264 vehicles a day, roughly 2% of them trucks, projected to reach 16,113 by 2041. The structure is 301 ft (91.7 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 470
CrossesEast Branch Mohawk River
Location0.4 MI E JCT SH 32 & 470
RouteState Highway 470
Coordinates42.77347, -73.69127
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span130 ft (39.6 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,264 (2018)
Projected traffic16,113 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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$4.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 470 over East Branch Mohawk River built?

It was built in 1989, making it 36 years old in 2025.

What condition is RTE 470 over East Branch 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 470 over East Branch Mohawk River carry?

About 13,264 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is RTE 470 over East Branch Mohawk River?

The structure is 301 ft (91.7 m) long with a longest span of 130 ft (39.6 m) and a deck 40 ft wide.

Who owns RTE 470 over East Branch Mohawk River?

It is owned by the City or Municipal Highway Agency.