US Bridges

N3230 over East Bitter Creek

Fair

Kay County, Oklahoma · 2.7E 4.5N of Sumpter · Structure no. 082100000000000

Built
1940
85 years old, rebuilt 1995
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

N3230 over East Bitter Creek is a steel stringer/multi-beam or girder carrying N3230 over East Bitter Creek in Kay County, Oklahoma. It was built in 1940 and reconstructed in 1995, 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 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 35 ft (10.7 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3230
CrossesEast Bitter Creek
Location2.7E 4.5N of Sumpter
RouteCounty Highway E3230
Coordinates36.94806, -97.24646
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span30 ft (9.1 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$290,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3230 over East Bitter Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1995.

What condition is N3230 over East Bitter 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 N3230 over East Bitter Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3230 over East Bitter Creek?

The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 19 ft wide.

Who owns N3230 over East Bitter Creek?

It is owned by the County Highway Agency.