US Bridges

RTE 104 over Twelvemile Creek

Good

Niagara County, New York · 0.8 MI W JCT Rts 104 & 42 · Structure no. 000000001036370

Built
2006
19 years old
Condition
Good
inspected August 2024
Type
Frame
Concrete
Length
40 ft
1 main span
Daily traffic
4,892
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 104 over Twelvemile Creek is a concrete frame carrying RTE 104 over Twelvemile Creek in Niagara County, New York. It was built in 2006, so it is 19 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,892 vehicles a day, roughly 11% of them trucks, projected to reach 5,160 by 2041. The structure is 40 ft (12.2 m) long and 44 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesRTE 104
CrossesTwelvemile Creek
Location0.8 MI W JCT Rts 104 & 42
RouteState Highway 104
CountyNiagara County
StateNew York
Coordinates43.20204, -78.83731
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width44 ft (13.4 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,892 (2020)
Projected traffic5,160 by 2041
Trucks11%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 104 over Twelvemile Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is RTE 104 over Twelvemile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does RTE 104 over Twelvemile Creek carry?

About 4,892 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is RTE 104 over Twelvemile Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 44 ft wide.

Who owns RTE 104 over Twelvemile Creek?

It is owned by the State Highway Agency.