US Bridges

S Boundary RD over Sitting Bear Creek

Fair

Comanche County, Oklahoma · 0.62 M W of E Cache Ck RD · Structure no. DAPTRASIL0VH004

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
400
2024 count
Owner
Federal
Army

About this bridge

S Boundary RD over Sitting Bear Creek is a concrete culvert carrying S Boundary RD over Sitting Bear Creek in Comanche County, Oklahoma. It was built in 1965, so it is 60 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 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2046. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS Boundary RD
CrossesSitting Bear Creek
Location0.62 M W of E Cache Ck RD
Coordinates34.64806, -98.36927
Functional classRural Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic400 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S Boundary RD over Sitting Bear Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is S Boundary RD over Sitting Bear 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 July 2024.

How much traffic does S Boundary RD over Sitting Bear Creek carry?

About 400 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is S Boundary RD over Sitting Bear Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns S Boundary RD over Sitting Bear Creek?

It is owned by the Army.