US Bridges

N2720 over Turkey Creek

FairPosted for load

Alfalfa County, Oklahoma · 3.1S of Goltry 1W of SH45 · Structure no. 169110000000000

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N2720 over Turkey Creek is a steel continuous stringer/multi-beam or girder carrying N2720 over Turkey Creek in Alfalfa County, Oklahoma. It was built in 1967, so it is 58 years old, older than the Oklahoma average of 47.8 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN2720
CrossesTurkey Creek
Location3.1S of Goltry 1W of SH45
RouteCounty Highway N2720
CountyAlfalfa County
StateOklahoma
Coordinates36.49209, -98.15815
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10 US tons
Inventory rating6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$350,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2720 over Turkey Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is N2720 over Turkey 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 August 2023.

How much traffic does N2720 over Turkey Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2720 over Turkey Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns N2720 over Turkey Creek?

It is owned by the County Highway Agency.