US Bridges

Thomson Road over Little Tonawanda Creek

Fair

Wyoming County, New York · 1 MI North of Dale · Structure no. 000000003319980

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Slab
Wood or Timber
Length
41 ft
2 main spans
Daily traffic
12
2021 count
Owner
County
County Highway Agency

About this bridge

Thomson Road over Little Tonawanda Creek is a wood or timber slab carrying Thomson Road over Little Tonawanda Creek in Wyoming County, New York. It was built in 1973, so it is 52 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 12 vehicles a day, projected to reach 17 by 2041. The structure is 41 ft (12.5 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesThomson Road
CrossesLittle Tonawanda Creek
Location1 MI North of Dale
Coordinates42.8339, -78.17422
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans2
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span20 ft (6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (2021)
Projected traffic17 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thomson Road over Little Tonawanda Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Thomson Road over Little Tonawanda 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 April 2024.

How much traffic does Thomson Road over Little Tonawanda Creek carry?

About 12 vehicles per day (2021 count).

How long is Thomson Road over Little Tonawanda Creek?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6 m) and a deck 24 ft wide.

Who owns Thomson Road over Little Tonawanda Creek?

It is owned by the County Highway Agency.