US Bridges

N3150 over Creek

FairPosted for load

Noble County, Oklahoma · 2.5W 1.1S of I-35 & SH15 · Structure no. 124920000000000

Built
1951
74 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

N3150 over Creek is a steel stringer/multi-beam or girder carrying N3150 over Creek in Noble County, Oklahoma. It was built in 1951, so it is 74 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 23 ft (7 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3150
CrossesCreek
Location2.5W 1.1S of I-35 & SH15
RouteCounty Highway N3150
CountyNoble County
StateOklahoma
Coordinates36.52035, -97.39046
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 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$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3150 over Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is N3150 over 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 N3150 over Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3150 over Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 19 ft wide.

Who owns N3150 over Creek?

It is owned by the County Highway Agency.