US Bridges

N4230 (6652C) over Creek

Good

Rogers County, Oklahoma · .8S of E0520 · Structure no. 315060000000000

Built
2016
9 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
43 ft
1 main span
Daily traffic
127
2022 count
Owner
County
County Highway Agency

About this bridge

N4230 (6652C) over Creek is a concrete culvert carrying N4230 (6652C) over Creek in Rogers County, Oklahoma. It was built in 2016, so it is 9 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 127 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 43 ft (13.1 m) long and 29 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesN4230 (6652C)
CrossesCreek
Location.8S of E0520
RouteCounty Highway N4230
Coordinates36.25601, -95.47141
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N4230 (6652C) over Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is N4230 (6652C) 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 July 2023.

How much traffic does N4230 (6652C) over Creek carry?

About 127 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4230 (6652C) over Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns N4230 (6652C) over Creek?

It is owned by the County Highway Agency.