US Bridges

4020C over Mack Watson Creek

Fair

Le Flore County, Oklahoma · 7.7 W; 2.5 S Shady Point · Structure no. 213220000000000

Built
1986
39 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
175
2022 count
Owner
County
County Highway Agency

About this bridge

4020C over Mack Watson Creek is a prestressed concrete tee beam carrying 4020C over Mack Watson Creek in Le Flore County, Oklahoma. It was built in 1986, so it is 39 years old, younger 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 6 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 175 vehicles a day, roughly 15% of them trucks, projected to reach 280 by 2042. The structure is 165 ft (50.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries4020C
CrossesMack Watson Creek
Location7.7 W; 2.5 S Shady Point
RouteCounty Highway 4020C
CountyLe Flore County
StateOklahoma
Coordinates35.10478, -94.73847
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic280 by 2042
Trucks15%
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$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4020C over Mack Watson Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is 4020C over Mack Watson 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 February 2023.

How much traffic does 4020C over Mack Watson Creek carry?

About 175 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4020C over Mack Watson Creek?

The structure is 165 ft (50.3 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns 4020C over Mack Watson Creek?

It is owned by the County Highway Agency.