US Bridges

RTE 8 over Black Creek

Fair

Herkimer County, New York · 7.5 MI N JCT Rts 8 & 28 · Structure no. 000000001004740

Built
1969
56 years old, rebuilt 1997
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
135 ft
1 main span
Daily traffic
1,012
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 8 over Black Creek is a steel stringer/multi-beam or girder carrying RTE 8 over Black Creek in Herkimer County, New York. It was built in 1969 and reconstructed in 1997, so it is 56 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,012 vehicles a day, roughly 13% of them trucks, projected to reach 1,018 by 2041. The structure is 135 ft (41.1 m) long and 60 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesRTE 8
CrossesBlack Creek
Location7.5 MI N JCT Rts 8 & 28
RouteState Highway 8
CountyHerkimer County
StateNew York
Coordinates43.29111, -74.98143
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span130 ft (39.6 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,012 (2020)
Projected traffic1,018 by 2041
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$2.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 8 over Black Creek built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1997.

What condition is RTE 8 over Black Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does RTE 8 over Black Creek carry?

About 1,012 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is RTE 8 over Black Creek?

The structure is 135 ft (41.1 m) long with a longest span of 130 ft (39.6 m) and a deck 60 ft wide.

Who owns RTE 8 over Black Creek?

It is owned by the State Highway Agency.