US Bridges

Dunn Road over Trib Monkey Run

Poor

Wyoming County, New York · 5.0 MI NE of Arcade · Structure no. 000000003319520

Built
1944
81 years old
Condition
Poor
inspected May 2024
Type
Girder and Floorbeam System
Steel
Length
28 ft
1 main span
Daily traffic
11
2018 count
Owner
County
County Highway Agency

About this bridge

Dunn Road over Trib Monkey Run is a steel girder and floorbeam system carrying Dunn Road over Trib Monkey Run in Wyoming County, New York. It was built in 1944, so it is 81 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 11 vehicles a day, roughly 7% of them trucks, projected to reach 15 by 2038. The structure is 28 ft (8.5 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesDunn Road
CrossesTrib Monkey Run
Location5.0 MI NE of Arcade
CountyWyoming County
StateNew York
Coordinates42.57599, -78.39059
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure4 PoorAdvanced section loss, deterioration, 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 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.8 US tons
Inventory rating29.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2018)
Projected traffic15 by 2038
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$420,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dunn Road over Trib Monkey Run built?

It was built in 1944, making it 81 years old in 2025.

What condition is Dunn Road over Trib Monkey Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Dunn Road over Trib Monkey Run carry?

About 11 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Dunn Road over Trib Monkey Run?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 20 ft wide.

Who owns Dunn Road over Trib Monkey Run?

It is owned by the County Highway Agency.