US Bridges

RTE 21 over East Valley Creek

Fair

Allegany County, New York · 1.1 MI S JCT SR21 & SR244 · Structure no. 000000001016280

Built
2004
21 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
1,800
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 21 over East Valley Creek is a prestressed concrete box beam or girders - multiple carrying RTE 21 over East Valley Creek in Allegany County, New York. It was built in 2004, so it is 21 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 1,800 vehicles a day, roughly 11% of them trucks, projected to reach 1,911 by 2041. The structure is 74 ft (22.6 m) long and 40 ft wide. If it were closed, the detour would be 41.6 mi (67 km).

CarriesRTE 21
CrossesEast Valley Creek
Location1.1 MI S JCT SR21 & SR244
RouteState Highway 21
Coordinates42.25444, -77.76415
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length74 ft (22.6 m)
Longest span71 ft (21.6 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2020)
Projected traffic1,911 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41.6 mi (67 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 21 over East Valley Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is RTE 21 over East Valley 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 October 2024.

How much traffic does RTE 21 over East Valley Creek carry?

About 1,800 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is RTE 21 over East Valley Creek?

The structure is 74 ft (22.6 m) long with a longest span of 71 ft (21.6 m) and a deck 40 ft wide.

Who owns RTE 21 over East Valley Creek?

It is owned by the State Highway Agency.