US Bridges

4588C over Boktuklo Creek

Fair

McCurtain County, Oklahoma · 1.0 N; 9.0 W Broken Bow · Structure no. 110450000000000

Built
1949
76 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

4588C over Boktuklo Creek is a concrete culvert carrying 4588C over Boktuklo Creek in McCurtain County, Oklahoma. It was built in 1949, so it is 76 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 400 vehicles a day, roughly 15% of them trucks, projected to reach 640 by 2042. The structure is 42 ft (12.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries4588C
CrossesBoktuklo Creek
Location1.0 N; 9.0 W Broken Bow
RouteCounty Highway 4588C
CountyMcCurtain County
StateOklahoma
Coordinates34.04082, -94.89592
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic640 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 4588C over Boktuklo Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is 4588C over Boktuklo 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 April 2023.

How much traffic does 4588C over Boktuklo Creek carry?

About 400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4588C over Boktuklo Creek?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns 4588C over Boktuklo Creek?

It is owned by the County Highway Agency.