US Bridges

RTE 430 over Dewittville Creek

Good

Chautauqua County, New York · 4.7 MI SE JCT Rts 17 +430 · Structure no. 000000001012040

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
1 main span
Daily traffic
3,602
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 430 over Dewittville Creek is a steel stringer/multi-beam or girder carrying RTE 430 over Dewittville Creek in Chautauqua County, New York. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,602 vehicles a day, roughly 6% of them trucks, projected to reach 3,638 by 2041. The structure is 101 ft (30.8 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 430
CrossesDewittville Creek
Location4.7 MI SE JCT Rts 17 +430
RouteState Highway 430
CountyChautauqua County
StateNew York
Coordinates42.23625, -79.44312
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length101 ft (30.8 m)
Longest span100 ft (30.5 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,602 (2017)
Projected traffic3,638 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 430 over Dewittville Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is RTE 430 over Dewittville 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 November 2023.

How much traffic does RTE 430 over Dewittville Creek carry?

About 3,602 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is RTE 430 over Dewittville Creek?

The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.5 m) and a deck 38 ft wide.

Who owns RTE 430 over Dewittville Creek?

It is owned by the State Highway Agency.