US Bridges

Old Route 31 over Carpenter Brook

Good

Onondaga County, New York · 2 MI SE Cross L @ Seneca · Structure no. 000000003207890

Built
2000
25 years old
Condition
Good
inspected May 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
974
2021 count
Owner
County
County Highway Agency

About this bridge

Old Route 31 over Carpenter Brook is a concrete frame carrying Old Route 31 over Carpenter Brook in Onondaga County, New York. It was built in 2000, so it is 25 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 974 vehicles a day, roughly 10% of them trucks, projected to reach 1,364 by 2041. The structure is 27 ft (8.2 m) long and 35 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesOld Route 31
CrossesCarpenter Brook
Location2 MI SE Cross L @ Seneca
RouteCounty Highway 0
Coordinates43.09267, -76.43023
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic974 (2021)
Projected traffic1,364 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$907,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Route 31 over Carpenter Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is Old Route 31 over Carpenter 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 May 2024.

How much traffic does Old Route 31 over Carpenter Brook carry?

About 974 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Old Route 31 over Carpenter Brook?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 35 ft wide.

Who owns Old Route 31 over Carpenter Brook?

It is owned by the County Highway Agency.