US Bridges

RTE I90 over Flat Creek

Good

Montgomery County, New York · At Sprakers · Structure no. 000000005515939

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
1 main span
Daily traffic
20,726
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over Flat Creek is a steel stringer/multi-beam or girder carrying RTE I90 over Flat Creek in Montgomery County, New York. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,726 vehicles a day, roughly 32% of them trucks, projected to reach 23,053 by 2041. The structure is 168 ft (51.2 m) long and 119 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesRTE I90
CrossesFlat Creek
LocationAt Sprakers
RouteInterstate 90
CountyMontgomery County
StateNew York
Coordinates42.89341, -74.51334
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length168 ft (51.2 m)
Longest span167 ft (50.9 m)
Deck width119 ft (36.3 m)
Roadway width113 ft (34.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,726 (2020)
Projected traffic23,053 by 2041
Trucks32%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I90 over Flat Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is RTE I90 over Flat Creek 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 October 2023.

How much traffic does RTE I90 over Flat Creek carry?

About 20,726 vehicles per day (2020 count), of which roughly 32% are trucks.

How long is RTE I90 over Flat Creek?

The structure is 168 ft (51.2 m) long with a longest span of 167 ft (50.9 m) and a deck 119 ft wide.

Who owns RTE I90 over Flat Creek?

It is owned by the State Toll Authority.