US Bridges

S. Boundary RD over East Cache Creek

Good

Comanche County, Oklahoma · Fort Sill Army Post · Structure no. DAPTRASIL0LWPIG

Built
2016
9 years old, rebuilt 2023
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
106 ft
5 main spans
Daily traffic
400
2024 count
Owner
Federal
Army

About this bridge

S. Boundary RD over East Cache Creek is a concrete culvert carrying S. Boundary RD over East Cache Creek in Comanche County, Oklahoma. It was built in 2016 and reconstructed in 2023, so it is 9 years old, younger 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2046. The structure is 106 ft (32.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS. Boundary RD
CrossesEast Cache Creek
LocationFort Sill Army Post
Coordinates34.64386, -98.36169
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: 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 rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span20 ft (6.2 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.5 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 closed5 mi (8 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 East Cache Creek built?

It was built in 2016, making it 9 years old in 2025. It was reconstructed in 2023.

What condition is S. Boundary RD over East Cache Creek 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 July 2024.

How much traffic does S. Boundary RD over East Cache Creek carry?

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

How long is S. Boundary RD over East Cache Creek?

The structure is 106 ft (32.3 m) long with a longest span of 20 ft (6.2 m) and a deck 34 ft wide.

Who owns S. Boundary RD over East Cache Creek?

It is owned by the Army.