US Bridges

IRR E0940 (0146C) over Little Lee Creek

PoorPosted for load

Adair County, Oklahoma · 10.5E 1N of SW C/L · Structure no. 134920000000000

Built
1955
70 years old
Condition
Poor
inspected October 2023
Type
Culvert
Concrete
Length
99 ft
6 main spans
Daily traffic
138
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E0940 (0146C) over Little Lee Creek is a concrete culvert carrying IRR E0940 (0146C) over Little Lee Creek in Adair County, Oklahoma. It was built in 1955, so it is 70 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 138 vehicles a day, roughly 15% of them trucks, projected to reach 221 by 2042. The structure is 99 ft (30.2 m) long and 27 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesIRR E0940 (0146C)
CrossesLittle Lee Creek
Location10.5E 1N of SW C/L
RouteCounty Highway E0940
CountyAdair County
StateOklahoma
Coordinates35.65222, -94.6225
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating15.3 US tons
Inventory rating9.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span17 ft (5.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2022)
Projected traffic221 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E0940 (0146C) over Little Lee Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is IRR E0940 (0146C) over Little Lee Creek 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 October 2023.

How much traffic does IRR E0940 (0146C) over Little Lee Creek carry?

About 138 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR E0940 (0146C) over Little Lee Creek?

The structure is 99 ft (30.2 m) long with a longest span of 17 ft (5.2 m) and a deck 27 ft wide.

Who owns IRR E0940 (0146C) over Little Lee Creek?

It is owned by the County Highway Agency.