US Bridges

N4140 over Creek

Poor

Choctaw County, Oklahoma · 2. E 1.2 N of Soper · Structure no. 057670000000000

Built
1938
87 years old
Condition
Poor
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4140 over Creek is a concrete culvert carrying N4140 over Creek in Choctaw County, Oklahoma. It was built in 1938, so it is 87 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 21 ft (6.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN4140
CrossesCreek
Location2. E 1.2 N of Soper
RouteCounty Highway N4140
Coordinates34.052, -95.66074
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4140 over Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is N4140 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does N4140 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4140 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns N4140 over Creek?

It is owned by the County Highway Agency.