US Bridges

County Road 27 over Mid Br Grasse Rvr

Good

St. Lawrence County, New York · 1 Mile North of Degrasse · Structure no. 000000003340740

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
1 main span
Daily traffic
490
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 27 over Mid Br Grasse Rvr is a steel stringer/multi-beam or girder carrying County Road 27 over Mid Br Grasse Rvr in St. Lawrence County, New York. It was built in 2013, so it is 12 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 490 vehicles a day, roughly 8% of them trucks, projected to reach 511 by 2041. The structure is 111 ft (33.8 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesCounty Road 27
CrossesMid Br Grasse Rvr
Location1 Mile North of Degrasse
RouteCounty Highway 0
CountySt. Lawrence County
StateNew York
Coordinates44.37611, -75.06097
Functional classRural Major Collector

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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.8 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2015)
Projected traffic511 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 27 over Mid Br Grasse Rvr built?

It was built in 2013, making it 12 years old in 2025.

What condition is County Road 27 over Mid Br Grasse Rvr 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 2023.

How much traffic does County Road 27 over Mid Br Grasse Rvr carry?

About 490 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 27 over Mid Br Grasse Rvr?

The structure is 111 ft (33.8 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns County Road 27 over Mid Br Grasse Rvr?

It is owned by the County Highway Agency.