US Bridges

N3160 over Hackberry Creek

Fair

Noble County, Oklahoma · 2.5W 2.7N of I35/CM Tpk · Structure no. 073930000000000

Built
1940
85 years old, rebuilt 2021
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N3160 over Hackberry Creek is a steel stringer/multi-beam or girder carrying N3160 over Hackberry Creek in Noble County, Oklahoma. It was built in 1940 and reconstructed in 2021, so it is 85 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 6 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 27 ft (8.1 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3160
CrossesHackberry Creek
Location2.5W 2.7N of I35/CM Tpk
RouteCounty Highway N3160
CountyNoble County
StateOklahoma
Coordinates36.43856, -97.37237
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
Deck8 Very GoodNo problems noted.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$251,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3160 over Hackberry Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2021.

What condition is N3160 over Hackberry 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 July 2023.

How much traffic does N3160 over Hackberry Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3160 over Hackberry Creek?

The structure is 27 ft (8.1 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns N3160 over Hackberry Creek?

It is owned by the County Highway Agency.