US Bridges

County Road 31 over Gordon Brook

Good

Allegany County, New York · 1.2 Miles West of Scio · Structure no. 000000003330500

Built
1997
28 years old
Condition
Good
inspected August 2023
Type
Slab
Wood or Timber
Length
40 ft
1 main span
Daily traffic
1,676
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 31 over Gordon Brook is a wood or timber slab carrying County Road 31 over Gordon Brook in Allegany County, New York. It was built in 1997, so it is 28 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 1,676 vehicles a day, roughly 5% of them trucks, projected to reach 2,346 by 2038. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 31
CrossesGordon Brook
Location1.2 Miles West of Scio
RouteCounty Highway 0
CountyAllegany County
StateNew York
Coordinates42.17323, -78.00104
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span38 ft (11.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,676 (2018)
Projected traffic2,346 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 31 over Gordon Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Road 31 over Gordon Brook 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 August 2023.

How much traffic does County Road 31 over Gordon Brook carry?

About 1,676 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is County Road 31 over Gordon Brook?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.5 m) and a deck 32 ft wide.

Who owns County Road 31 over Gordon Brook?

It is owned by the County Highway Agency.