US Bridges

State HWY 259A over Broken Bow Lake

Fair

McCurtain County, Oklahoma · 8.6 MI N Broken Bow Ok · Structure no. CEPSWTOKBROKENB

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
384 ft
8 main spans
Daily traffic
1,300
2023 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

State HWY 259A over Broken Bow Lake is a prestressed concrete stringer/multi-beam or girder carrying State HWY 259A over Broken Bow Lake in McCurtain County, Oklahoma. It was built in 1969, so it is 56 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 1,300 vehicles a day, roughly 5% of them trucks, projected to reach 1,586 by 2043. The structure is 384 ft (117 m) long and 32 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesState HWY 259A
CrossesBroken Bow Lake
Location8.6 MI N Broken Bow Ok
RouteState Highway 259A
Coordinates34.15712, -94.70418
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8 (+8 approach)
Design loadHL 93
Structure length384 ft (117 m)
Longest span47 ft (14.2 m)
Deck width32 ft (9.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,586 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$198,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was State HWY 259A over Broken Bow Lake built?

It was built in 1969, making it 56 years old in 2025.

What condition is State HWY 259A over Broken Bow Lake 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 October 2024.

How much traffic does State HWY 259A over Broken Bow Lake carry?

About 1,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is State HWY 259A over Broken Bow Lake?

The structure is 384 ft (117 m) long with a longest span of 47 ft (14.2 m) and a deck 32 ft wide.

Who owns State HWY 259A over Broken Bow Lake?

It is owned by the Corps of Engineers (Civil).