US Bridges

S.H. 99 over Creek

Fair

Marshall County, Oklahoma · 0.47 SW JCT US-70 · Structure no. 149640000000000

Built
1960
65 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
6,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Creek is a concrete culvert carrying S.H. 99 over Creek in Marshall County, Oklahoma. It was built in 1960, so it is 65 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 6,200 vehicles a day, roughly 15% of them trucks, projected to reach 9,920 by 2042. The structure is 49 ft (14.8 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesS.H. 99
CrossesCreek
Location0.47 SW JCT US-70
RouteState Highway 99
CountyMarshall County
StateOklahoma
Coordinates34.07934, -96.77454
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal 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 length49 ft (14.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2022)
Projected traffic9,920 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$646,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is S.H. 99 over 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 January 2023.

How much traffic does S.H. 99 over Creek carry?

About 6,200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 99 over Creek?

The structure is 49 ft (14.8 m) long with a longest span of 14 ft (4.3 m).

Who owns S.H. 99 over Creek?

It is owned by the State Highway Agency.