US Bridges

Dorman Road over Tonawanda Creek

Fair

Genesee County, New York · 2.3 MI South of Batavia · Structure no. 000000003315720

Built
1951
74 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
2 main spans
Daily traffic
56
2021 count
Owner
County
County Highway Agency

About this bridge

Dorman Road over Tonawanda Creek is a steel stringer/multi-beam or girder carrying Dorman Road over Tonawanda Creek in Genesee County, New York. It was built in 1951, so it is 74 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 56 vehicles a day, roughly 10% of them trucks, projected to reach 78 by 2041. The structure is 84 ft (25.6 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesDorman Road
CrossesTonawanda Creek
Location2.3 MI South of Batavia
CountyGenesee County
StateNew York
Coordinates42.9664, -78.19144
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length84 ft (25.6 m)
Longest span40 ft (12.1 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2021)
Projected traffic78 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dorman Road over Tonawanda Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Dorman Road over 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 June 2023.

How much traffic does Dorman Road over Tonawanda Creek carry?

About 56 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Dorman Road over Tonawanda Creek?

The structure is 84 ft (25.6 m) long with a longest span of 40 ft (12.1 m) and a deck 23 ft wide.

Who owns Dorman Road over Tonawanda Creek?

It is owned by the County Highway Agency.