US Bridges

Gravesville RD over Mill Creek

Good

Herkimer County, New York · 0.4 MI S Gravesville · Structure no. 000000003307980

Built
1996
29 years old
Condition
Good
inspected November 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
283
2019 count
Owner
County
County Highway Agency

About this bridge

Gravesville RD over Mill Creek is a aluminum, wrought iron, or cast iron culvert carrying Gravesville RD over Mill Creek in Herkimer County, New York. It was built in 1996, so it is 29 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 283 vehicles a day, roughly 15% of them trucks, projected to reach 396 by 2039. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesGravesville RD
CrossesMill Creek
Location0.4 MI S Gravesville
RouteCounty Highway 0
Coordinates43.24949, -75.11477
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 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 rating85.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2019)
Projected traffic396 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$207,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gravesville RD over Mill Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Gravesville RD over Mill Creek 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 November 2023.

How much traffic does Gravesville RD over Mill Creek carry?

About 283 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Gravesville RD over Mill Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m).

Who owns Gravesville RD over Mill Creek?

It is owned by the County Highway Agency.