US Bridges

6418C over Little River

PoorPosted for load

Pushmataha County, Oklahoma · 1. N 4.9 E of Nashoba · Structure no. 092100000000000

Built
1940
85 years old, rebuilt 1988
Condition
Poor
inspected March 2024
Type
Slab
Concrete
Length
61 ft
6 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

6418C over Little River is a concrete slab carrying 6418C over Little River in Pushmataha County, Oklahoma. It was built in 1940 and reconstructed in 1988, 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 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. 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 61 ft (18.6 m) long and 13 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries6418C
CrossesLittle River
Location1. N 4.9 E of Nashoba
RouteCounty Highway 6418C
Coordinates34.49665, -95.12699
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating16.2 US tons
Inventory rating9.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span10 ft (3 m)
Deck width13 ft (3.9 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 6418C over Little River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1988.

What condition is 6418C over Little River 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 March 2024.

How much traffic does 6418C over Little River carry?

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

How long is 6418C over Little River?

The structure is 61 ft (18.6 m) long with a longest span of 10 ft (3 m) and a deck 13 ft wide.

Who owns 6418C over Little River?

It is owned by the County Highway Agency.