US Bridges

RTE 430 over Bemus Creek

Fair

Chautauqua County, New York · 0.8 MI SE of Bemus Point · Structure no. 000000001091820

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
97 ft
2 main spans
Daily traffic
4,314
2020 count
Owner
County
County Highway Agency

About this bridge

RTE 430 over Bemus Creek is a prestressed concrete box beam or girders - multiple carrying RTE 430 over Bemus Creek in Chautauqua County, New York. It was built in 1981, so it is 44 years old, younger 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 4,314 vehicles a day, roughly 4% of them trucks, projected to reach 5,337 by 2041. The structure is 97 ft (29.7 m) long and 68 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 430
CrossesBemus Creek
Location0.8 MI SE of Bemus Point
RouteCounty Highway 430
Coordinates42.15319, -79.38164
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length97 ft (29.7 m)
Longest span45 ft (13.7 m)
Deck width68 ft (20.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,314 (2020)
Projected traffic5,337 by 2041
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$3.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 430 over Bemus Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is RTE 430 over Bemus 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 April 2024.

How much traffic does RTE 430 over Bemus Creek carry?

About 4,314 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is RTE 430 over Bemus Creek?

The structure is 97 ft (29.7 m) long with a longest span of 45 ft (13.7 m) and a deck 68 ft wide.

Who owns RTE 430 over Bemus Creek?

It is owned by the County Highway Agency.