US Bridges

RTE 305 over Courtney Hollow Creek

Fair

Allegany County, New York · .1 Mile N JCT SR305 & CR5 · Structure no. 000000001045450

Built
1938
87 years old, rebuilt 1969
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
1,581
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 305 over Courtney Hollow Creek is a concrete slab carrying RTE 305 over Courtney Hollow Creek in Allegany County, New York. It was built in 1938 and reconstructed in 1969, so it is 87 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 1,581 vehicles a day, roughly 7% of them trucks, projected to reach 1,649 by 2041. The structure is 27 ft (8.2 m) long and 37 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

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CarriesRTE 305
CrossesCourtney Hollow Creek
Location.1 Mile N JCT SR305 & CR5
RouteState Highway 305
CountyAllegany County
StateNew York
Coordinates42.0907, -78.2557
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,581 (2019)
Projected traffic1,649 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$890,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 305 over Courtney Hollow Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1969.

What condition is RTE 305 over Courtney Hollow 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 March 2024.

How much traffic does RTE 305 over Courtney Hollow Creek carry?

About 1,581 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is RTE 305 over Courtney Hollow Creek?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 37 ft wide.

Who owns RTE 305 over Courtney Hollow Creek?

It is owned by the State Highway Agency.