US Bridges

S Boundary RD over Outlet of Lake George

FairClosed to traffic

Comanche County, Oklahoma · Fort Sill Army Post · Structure no. DAPTRASIL0EBDRY

Built
1943
82 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
100
2024 count
Owner
Federal
Army

About this bridge

S Boundary RD over Outlet of Lake George is a concrete slab carrying S Boundary RD over Outlet of Lake George in Comanche County, Oklahoma. It was built in 1943, so it is 82 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. Its operating status is: closed to all traffic.

It carries about 100 vehicles a day, roughly 20% of them trucks, projected to reach 100 by 2046. The structure is 21 ft (6.4 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS Boundary RD
CrossesOutlet of Lake George
LocationFort Sill Army Post
Coordinates34.63796, -98.34409
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic100 by 2046
Trucks20%
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 statusHistorical significance not determinable at this time
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 Outlet of Lake George built?

It was built in 1943, making it 82 years old in 2025.

What condition is S Boundary RD over Outlet of Lake George 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 Outlet of Lake George carry?

About 100 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is S Boundary RD over Outlet of Lake George?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns S Boundary RD over Outlet of Lake George?

It is owned by the Army.