US Bridges

Underwood Road over 86I 17 51125064 RTE I86

Fair

Cattaraugus County, New York · 0.7 MI E JCT Rts 17 + 16 · Structure no. 000000001090020

Built
1972
53 years old, rebuilt 2007
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
256 ft
2 main spans
Daily traffic
291
2021 count
Owner
State
State Highway Agency

About this bridge

Underwood Road over 86I 17 51125064 RTE I86 is a steel stringer/multi-beam or girder carrying Underwood Road over 86I 17 51125064 RTE I86 in Cattaraugus County, New York. It was built in 1972 and reconstructed in 2007, so it is 53 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 291 vehicles a day, roughly 3% of them trucks, projected to reach 407 by 2041. The structure is 256 ft (78 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUnderwood Road
Crosses86I 17 51125064 RTE I86
Location0.7 MI E JCT Rts 17 + 16
Coordinates42.1783, -78.37205
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length256 ft (78 m)
Longest span126 ft (38.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic291 (2021)
Projected traffic407 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$5.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Underwood Road over 86I 17 51125064 RTE I86 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2007.

What condition is Underwood Road over 86I 17 51125064 RTE I86 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 Underwood Road over 86I 17 51125064 RTE I86 carry?

About 291 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Underwood Road over 86I 17 51125064 RTE I86?

The structure is 256 ft (78 m) long with a longest span of 126 ft (38.4 m) and a deck 32 ft wide.

Who owns Underwood Road over 86I 17 51125064 RTE I86?

It is owned by the State Highway Agency.