US Bridges

RTE 76 over Alder Bottom Creek

Fair

Chautauqua County, New York · 2.6 MI N JCT SH76 & SH474 · Structure no. 000000001029980

Built
1934
91 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
1,032
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 76 over Alder Bottom Creek is a concrete slab carrying RTE 76 over Alder Bottom Creek in Chautauqua County, New York. It was built in 1934, so it is 91 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 1,032 vehicles a day, roughly 13% of them trucks, projected to reach 1,042 by 2041. The structure is 27 ft (8.2 m) long and 30 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesRTE 76
CrossesAlder Bottom Creek
Location2.6 MI N JCT SH76 & SH474
RouteState Highway 76
CountyChautauqua County
StateNew York
Coordinates42.10943, -79.58681
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,032 (2020)
Projected traffic1,042 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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$947,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 76 over Alder Bottom Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is RTE 76 over Alder Bottom 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 June 2023.

How much traffic does RTE 76 over Alder Bottom Creek carry?

About 1,032 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is RTE 76 over Alder Bottom Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns RTE 76 over Alder Bottom Creek?

It is owned by the State Highway Agency.