US Bridges

RTE 5 over Eighteen Mile CR

Fair

Erie County, New York · 5.2 MI NE JCT Rts 5 + 323 · Structure no. 000000001001380

Built
1931
94 years old, rebuilt 2012
Condition
Fair
inspected December 2024
Type
Arch - Deck
Concrete
Length
479 ft
5 main spans
Daily traffic
12,501
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 5 over Eighteen Mile CR is a concrete arch - deck carrying RTE 5 over Eighteen Mile CR in Erie County, New York. It was built in 1931 and reconstructed in 2012, so it is 94 years old, older 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 12,501 vehicles a day, roughly 4% of them trucks, projected to reach 12,559 by 2041. The structure is 479 ft (146 m) long and 61 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 5
CrossesEighteen Mile CR
Location5.2 MI NE JCT Rts 5 + 323
RouteState Highway 5
Coordinates42.70878, -78.9636
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length479 ft (146 m)
Longest span114 ft (34.7 m)
Deck width61 ft (18.5 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,501 (2021)
Projected traffic12,559 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$24.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 5 over Eighteen Mile CR built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2012.

What condition is RTE 5 over Eighteen Mile 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 December 2024.

How much traffic does RTE 5 over Eighteen Mile CR carry?

About 12,501 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is RTE 5 over Eighteen Mile CR?

The structure is 479 ft (146 m) long with a longest span of 114 ft (34.7 m) and a deck 61 ft wide.

Who owns RTE 5 over Eighteen Mile CR?

It is owned by the State Highway Agency.