US Bridges

Hamm Road over Durham Creek

Good

Greene County, New York · 1 MI NE Hmlt Durham · Structure no. 000000003200860

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
11
2019 count
Owner
County
County Highway Agency

About this bridge

Hamm Road over Durham Creek is a prestressed concrete box beam or girders - multiple carrying Hamm Road over Durham Creek in Greene County, New York. It was built in 2009, so it is 16 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11 vehicles a day, roughly 10% of them trucks, projected to reach 15 by 2039. The structure is 92 ft (28 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHamm Road
CrossesDurham Creek
Location1 MI NE Hmlt Durham
Coordinates42.40148, -74.16683
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width21 ft (6.3 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2019)
Projected traffic15 by 2039
Trucks10%
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$852,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamm Road over Durham Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Hamm Road over Durham 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 July 2023.

How much traffic does Hamm Road over Durham Creek carry?

About 11 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Hamm Road over Durham Creek?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 21 ft wide.

Who owns Hamm Road over Durham Creek?

It is owned by the County Highway Agency.