US Bridges

N4770 over Creek

Good

Le Flore County, Oklahoma · 2.5 N; 3.0 W Pocola · Structure no. 262620000000000

Built
2002
23 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

N4770 over Creek is a concrete culvert carrying N4770 over Creek in Le Flore County, Oklahoma. It was built in 2002, so it is 23 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 10% of them trucks, projected to reach 560 by 2042. The structure is 30 ft (9.1 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN4770
CrossesCreek
Location2.5 N; 3.0 W Pocola
RouteCounty Highway N4770
Coordinates35.26587, -94.53118
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span13 ft (4 m)
Deck width43 ft (13.1 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic560 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N4770 over Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is N4770 over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does N4770 over Creek carry?

About 350 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4770 over Creek?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (4 m) and a deck 43 ft wide.

Who owns N4770 over Creek?

It is owned by the County Highway Agency.