US Bridges

N4150 over Pole Creek

Fair

Choctaw County, Oklahoma · 1N 1W of Gay · Structure no. 291890000000000

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
2 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

N4150 over Pole Creek is a wood or timber stringer/multi-beam or girder carrying N4150 over Pole Creek in Choctaw County, Oklahoma. It was built in 1968, so it is 57 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.

It carries about 24 vehicles a day, roughly 5% of them trucks, projected to reach 38 by 2042. The structure is 41 ft (12.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesN4150
CrossesPole Creek
Location1N 1W of Gay
RouteCounty Highway N4150
Coordinates33.96964, -95.64306
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 alignment8: Equal to present desirable criteria
Operating rating108 US tons
Inventory rating65 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4150 over Pole Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is N4150 over Pole 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 October 2024.

How much traffic does N4150 over Pole Creek carry?

About 24 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N4150 over Pole Creek?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns N4150 over Pole Creek?

It is owned by the County Highway Agency.