US Bridges

RTE 31 over Carpenters Brook

Good

Onondaga County, New York · 2.9 MI E JCT Rts 31+ I-90 · Structure no. 000000001021900

Built
1963
62 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
3,556
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 31 over Carpenters Brook is a concrete continuous culvert carrying RTE 31 over Carpenters Brook in Onondaga County, New York. It was built in 1963, so it is 62 years old, older 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 3,556 vehicles a day, roughly 12% of them trucks, projected to reach 3,578 by 2041. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 31
CrossesCarpenters Brook
Location2.9 MI E JCT Rts 31+ I-90
RouteState Highway 31
Coordinates43.08484, -76.42953
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating110.1 US tons
Inventory rating102 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,556 (2020)
Projected traffic3,578 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$575,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 31 over Carpenters Brook built?

It was built in 1963, making it 62 years old in 2025.

What condition is RTE 31 over Carpenters 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 July 2023.

How much traffic does RTE 31 over Carpenters Brook carry?

About 3,556 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is RTE 31 over Carpenters Brook?

The structure is 37 ft (11.3 m) long with a longest span of 13 ft (3.9 m).

Who owns RTE 31 over Carpenters Brook?

It is owned by the State Highway Agency.