US Bridges

S.H. 99 over Hazel Creek

Fair

Seminole County, Oklahoma · 0.7 MI S JCT SH 99A · Structure no. 197330000000000

Built
1980
45 years old, rebuilt 2008
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
6,900
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Hazel Creek is a concrete culvert carrying S.H. 99 over Hazel Creek in Seminole County, Oklahoma. It was built in 1980 and reconstructed in 2008, so it is 45 years old, younger 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 6,900 vehicles a day, roughly 25% of them trucks, projected to reach 11,040 by 2042. The structure is 48 ft (14.6 m) long and 40 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesS.H. 99
CrossesHazel Creek
Location0.7 MI S JCT SH 99A
RouteState Highway 99
CountySeminole County
StateOklahoma
Coordinates35.33779, -96.67149
Functional classRural Principal Arterial - Other

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span14 ft (4.3 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2022)
Projected traffic11,040 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Hazel Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2008.

What condition is S.H. 99 over Hazel 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 February 2024.

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

About 6,900 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is S.H. 99 over Hazel Creek?

The structure is 48 ft (14.6 m) long with a longest span of 14 ft (4.3 m) and a deck 40 ft wide.

Who owns S.H. 99 over Hazel Creek?

It is owned by the State Highway Agency.