US Bridges

E0230 over Oologah Lake Trib.

Poor

Nowata County, Oklahoma · .8E of US 169 · Structure no. 327110000000000

Built
2020
5 years old
Condition
Poor
inspected April 2024
Type
Culvert
Steel
Length
48 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E0230 over Oologah Lake Trib. is a steel culvert carrying E0230 over Oologah Lake Trib. in Nowata County, Oklahoma. It was built in 2020, so it is 5 years old, younger 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 3 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 48 ft (14.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE0230
CrossesOologah Lake Trib.
Location.8E of US 169
RouteCounty Highway E0230
CountyNowata County
StateOklahoma
Coordinates36.68457, -95.6157
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating58.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span9 ft (2.7 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck0 ft (0 m)

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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E0230 over Oologah Lake Trib. built?

It was built in 2020, making it 5 years old in 2025.

What condition is E0230 over Oologah Lake Trib. 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 April 2024.

How much traffic does E0230 over Oologah Lake Trib. carry?

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

How long is E0230 over Oologah Lake Trib.?

The structure is 48 ft (14.6 m) long with a longest span of 9 ft (2.7 m) and a deck 30 ft wide.

Who owns E0230 over Oologah Lake Trib.?

It is owned by the County Highway Agency.