US Bridges

CR 9 over Knight Creek

Fair

Allegany County, New York · 1.13 MI W of Main Street · Structure no. 000000003330550

Built
1953
72 years old, rebuilt 1974
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
927
2019 count
Owner
County
County Highway Agency

About this bridge

CR 9 over Knight Creek is a steel stringer/multi-beam or girder carrying CR 9 over Knight Creek in Allegany County, New York. It was built in 1953 and reconstructed in 1974, so it is 72 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 5 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 927 vehicles a day, roughly 5% of them trucks, projected to reach 967 by 2041. The structure is 96 ft (29.3 m) long and 31 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesCR 9
CrossesKnight Creek
Location1.13 MI W of Main Street
RouteCounty Highway 0
CountyAllegany County
StateNew York
Coordinates42.16321, -77.99514
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length96 ft (29.3 m)
Longest span92 ft (28 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic927 (2019)
Projected traffic967 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 9 over Knight Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1974.

What condition is CR 9 over Knight 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 2024.

How much traffic does CR 9 over Knight Creek carry?

About 927 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 9 over Knight Creek?

The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28 m) and a deck 31 ft wide.

Who owns CR 9 over Knight Creek?

It is owned by the County Highway Agency.