US Bridges

Gray Wilmurt RD over N Br Black Creek

Good

Herkimer County, New York · 1.1 Miles North of Gray · Structure no. 000000003307920

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
97
2019 count
Owner
County
County Highway Agency

About this bridge

Gray Wilmurt RD over N Br Black Creek is a prestressed concrete box beam or girders - multiple carrying Gray Wilmurt RD over N Br Black Creek in Herkimer County, New York. It was built in 1985, so it is 40 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 97 vehicles a day, roughly 9% of them trucks, projected to reach 136 by 2039. The structure is 47 ft (14.3 m) long and 31 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesGray Wilmurt RD
CrossesN Br Black Creek
Location1.1 Miles North of Gray
RouteCounty Highway 0
Coordinates43.28108, -74.95068
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span42 ft (12.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2019)
Projected traffic136 by 2039
Trucks9%
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$842,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gray Wilmurt RD over N Br Black Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Gray Wilmurt RD over N Br Black 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 July 2023.

How much traffic does Gray Wilmurt RD over N Br Black Creek carry?

About 97 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Gray Wilmurt RD over N Br Black Creek?

The structure is 47 ft (14.3 m) long with a longest span of 42 ft (12.8 m) and a deck 31 ft wide.

Who owns Gray Wilmurt RD over N Br Black Creek?

It is owned by the County Highway Agency.