US Bridges

RTE 427 over Boyles Creek

Fair

Chemung County, New York · 2.3 MI E JCT Rts 367 &427 · Structure no. 000000001048390

Built
1989
36 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
875
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 427 over Boyles Creek is a prestressed concrete box beam or girders - multiple carrying RTE 427 over Boyles Creek in Chemung County, New York. It was built in 1989, so it is 36 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 6 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 875 vehicles a day, roughly 10% of them trucks, projected to reach 912 by 2041. The structure is 41 ft (12.5 m) long and 37 ft wide. If it were closed, the detour would be 25.5 mi (41 km).

CarriesRTE 427
CrossesBoyles Creek
Location2.3 MI E JCT Rts 367 &427
RouteState Highway 427
Coordinates42.02066, -76.67819
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span38 ft (11.5 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic875 (2018)
Projected traffic912 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed25.5 mi (41 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$586,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 427 over Boyles Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is RTE 427 over Boyles 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 2023.

How much traffic does RTE 427 over Boyles Creek carry?

About 875 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is RTE 427 over Boyles Creek?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.5 m) and a deck 37 ft wide.

Who owns RTE 427 over Boyles Creek?

It is owned by the State Highway Agency.