US Bridges

Boston State Road over Anthony Gulf

Fair

Erie County, New York · 2.6 MI SE JCT SH391&SH277 · Structure no. 000000001041630

Built
1929
96 years old, rebuilt 1977
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
5,175
2018 count
Owner
County
County Highway Agency

About this bridge

Boston State Road over Anthony Gulf is a prestressed concrete box beam or girders - multiple carrying Boston State Road over Anthony Gulf in Erie County, New York. It was built in 1929 and reconstructed in 1977, so it is 96 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 5,175 vehicles a day, roughly 3% of them trucks, projected to reach 6,403 by 2041. The structure is 36 ft (11 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBoston State Road
CrossesAnthony Gulf
Location2.6 MI SE JCT SH391&SH277
RouteCounty Highway 0
Coordinates42.65923, -78.7484
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,175 (2018)
Projected traffic6,403 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Boston State Road over Anthony Gulf built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1977.

What condition is Boston State Road over Anthony Gulf 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 December 2024.

How much traffic does Boston State Road over Anthony Gulf carry?

About 5,175 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Boston State Road over Anthony Gulf?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns Boston State Road over Anthony Gulf?

It is owned by the County Highway Agency.