US Bridges

RTE 474 over L Brokennstraw CR

Fair

Chautauqua County, New York · In Clymer · Structure no. 000000001029820

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
2 main spans
Daily traffic
1,520
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 474 over L Brokennstraw CR is a prestressed concrete box beam or girders - multiple carrying RTE 474 over L Brokennstraw CR in Chautauqua County, New York. It was built in 1978, so it is 47 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 1,520 vehicles a day, roughly 9% of them trucks, projected to reach 1,535 by 2041. The structure is 85 ft (25.9 m) long and 50 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesRTE 474
CrossesL Brokennstraw CR
LocationIn Clymer
RouteState Highway 474
CountyChautauqua County
StateNew York
Coordinates42.02081, -79.63196
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,520 (2020)
Projected traffic1,535 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 474 over L Brokennstraw CR built?

It was built in 1978, making it 47 years old in 2025.

What condition is RTE 474 over L Brokennstraw CR 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 May 2023.

How much traffic does RTE 474 over L Brokennstraw CR carry?

About 1,520 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE 474 over L Brokennstraw CR?

The structure is 85 ft (25.9 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns RTE 474 over L Brokennstraw CR?

It is owned by the State Highway Agency.