US Bridges

Sonora Road over Mud Creek

Fair

Steuben County, New York · 0.2 MI N of Sonora · Structure no. 000000002216340

Built
1964
61 years old, rebuilt 1993
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
61
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sonora Road over Mud Creek is a steel stringer/multi-beam or girder carrying Sonora Road over Mud Creek in Steuben County, New York. It was built in 1964 and reconstructed in 1993, so it is 61 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 61 vehicles a day, roughly 19% of them trucks, projected to reach 85 by 2041. The structure is 48 ft (14.6 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSonora Road
CrossesMud Creek
Location0.2 MI N of Sonora
Coordinates42.33696, -77.16937
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
Deck7 GoodSome minor problems.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating54 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span47 ft (14.3 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2021)
Projected traffic85 by 2041
Trucks19%
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

OwnerTown or Township 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$787,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sonora Road over Mud Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1993.

What condition is Sonora Road over Mud 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 May 2023.

How much traffic does Sonora Road over Mud Creek carry?

About 61 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is Sonora Road over Mud Creek?

The structure is 48 ft (14.6 m) long with a longest span of 47 ft (14.3 m) and a deck 26 ft wide.

Who owns Sonora Road over Mud Creek?

It is owned by the Town or Township Highway Agency and maintained by the County Highway Agency.