US Bridges

S.H. 115 over Saddle Mountain Creek

Fair

Kiowa County, Oklahoma · 2.3 MI N Comanche C/L · Structure no. 006380000000000

Built
1935
90 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
44 ft
2 main spans
Daily traffic
120
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 115 over Saddle Mountain Creek is a concrete slab carrying S.H. 115 over Saddle Mountain Creek in Kiowa County, Oklahoma. It was built in 1935, so it is 90 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 120 vehicles a day, roughly 15% of them trucks, projected to reach 192 by 2042. The structure is 44 ft (13.4 m) long and 23 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesS.H. 115
CrossesSaddle Mountain Creek
Location2.3 MI N Comanche C/L
RouteState Highway 115
CountyKiowa County
StateOklahoma
Coordinates34.87365, -98.70804
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
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 inspectionJune 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length44 ft (13.4 m)
Longest span20 ft (6.1 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic192 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 115 over Saddle Mountain Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is S.H. 115 over Saddle Mountain 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 June 2023.

How much traffic does S.H. 115 over Saddle Mountain Creek carry?

About 120 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 115 over Saddle Mountain Creek?

The structure is 44 ft (13.4 m) long with a longest span of 20 ft (6.1 m) and a deck 23 ft wide.

Who owns S.H. 115 over Saddle Mountain Creek?

It is owned by the State Highway Agency.