US Bridges

West Tillen Road over Eighteen Mile Crk

Fair

Erie County, New York · 5.2 MI S JCT SH277 &SH391 · Structure no. 000000003368440

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
1 main span
Daily traffic
738
2020 count
Owner
County
County Highway Agency

About this bridge

West Tillen Road over Eighteen Mile Crk is a steel stringer/multi-beam or girder carrying West Tillen Road over Eighteen Mile Crk in Erie County, New York. It was built in 1994, so it is 31 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 738 vehicles a day, roughly 6% of them trucks, projected to reach 913 by 2041. The structure is 123 ft (37.5 m) long and 36 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesWest Tillen Road
CrossesEighteen Mile Crk
Location5.2 MI S JCT SH277 &SH391
RouteCounty Highway 0
CountyErie County
StateNew York
Coordinates42.62259, -78.73449
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating75.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span122 ft (37.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic738 (2020)
Projected traffic913 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was West Tillen Road over Eighteen Mile Crk built?

It was built in 1994, making it 31 years old in 2025.

What condition is West Tillen Road over Eighteen Mile Crk 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 July 2024.

How much traffic does West Tillen Road over Eighteen Mile Crk carry?

About 738 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is West Tillen Road over Eighteen Mile Crk?

The structure is 123 ft (37.5 m) long with a longest span of 122 ft (37.1 m) and a deck 36 ft wide.

Who owns West Tillen Road over Eighteen Mile Crk?

It is owned by the County Highway Agency.