US Bridges

RTE 987D over SH 117/ CR 106 Saw Mill

Good

Westchester County, New York · 2.3MI N JCT Rts Smrp&tsp · Structure no. 000000005500890

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
28,879
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 987D over SH 117/ CR 106 Saw Mill is a concrete slab carrying RTE 987D over SH 117/ CR 106 Saw Mill in Westchester County, New York. It was built in 2016, so it is 9 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 28,879 vehicles a day, roughly 1% of them trucks, projected to reach 40,739 by 2041. The structure is 27 ft (8.1 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 987D
CrossesSH 117/ CR 106 Saw Mill
Location2.3MI N JCT Rts Smrp&tsp
Coordinates41.13291, -73.79616
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck11 ft (3.2 m)

Traffic and service

Average daily traffic28,879 (2021)
Projected traffic40,739 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$317,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 987D over SH 117/ CR 106 Saw Mill built?

It was built in 2016, making it 9 years old in 2025.

What condition is RTE 987D over SH 117/ CR 106 Saw Mill 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 987D over SH 117/ CR 106 Saw Mill carry?

About 28,879 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is RTE 987D over SH 117/ CR 106 Saw Mill?

The structure is 27 ft (8.1 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns RTE 987D over SH 117/ CR 106 Saw Mill?

It is owned by the State Highway Agency.