US Bridges

Clinton Lake Road over I-40 under

Good

Washita County, Oklahoma · 8.6 MI E Beckham C/L · Structure no. 141460000000000

Built
1958
67 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
172 ft
4 main spans
Daily traffic
180
2022 count
Owner
State
State Highway Agency

About this bridge

Clinton Lake Road over I-40 under is a concrete continuous slab carrying Clinton Lake Road over I-40 under in Washita County, Oklahoma. It was built in 1958, so it is 67 years old, older 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 180 vehicles a day, roughly 11% of them trucks, projected to reach 288 by 2042. The structure is 172 ft (52.4 m) long and 33 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesClinton Lake Road
CrossesI-40 under
Location8.6 MI E Beckham C/L
RouteCounty Highway D2110
Coordinates35.42583, -99.21389
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.3 US tons
Inventory rating44.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length172 ft (52.4 m)
Longest span55 ft (16.8 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2022)
Projected traffic288 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clinton Lake Road over I-40 under built?

It was built in 1958, making it 67 years old in 2025.

What condition is Clinton Lake Road over I-40 under 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 March 2023.

How much traffic does Clinton Lake Road over I-40 under carry?

About 180 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Clinton Lake Road over I-40 under?

The structure is 172 ft (52.4 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.

Who owns Clinton Lake Road over I-40 under?

It is owned by the State Highway Agency.