US Bridges

S.H. 50 over Lone Creek

Fair

Woodward County, Oklahoma · 9.8 MI N JCT SH 15 · Structure no. 143210000000000

Built
1959
66 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 50 over Lone Creek is a concrete culvert carrying S.H. 50 over Lone Creek in Woodward County, Oklahoma. It was built in 1959, so it is 66 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 1,100 vehicles a day, roughly 15% of them trucks, projected to reach 1,760 by 2042. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 54.1 mi (87 km).

CarriesS.H. 50
CrossesLone Creek
Location9.8 MI N JCT SH 15
RouteState Highway 50
Coordinates36.57274, -99.19199
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,760 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$820,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 50 over Lone Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is S.H. 50 over Lone 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 2024.

How much traffic does S.H. 50 over Lone Creek carry?

About 1,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 50 over Lone Creek?

The structure is 47 ft (14.3 m) long with a longest span of 17 ft (5.2 m).

Who owns S.H. 50 over Lone Creek?

It is owned by the State Highway Agency.