US Bridges

S.H. 99 over Diamond Spring Branch CR

Fair

Johnston County, Oklahoma · 4.4 N Jct. S.H. 7 · Structure no. 299470000000000

Built
2014
11 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
1,500
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Diamond Spring Branch CR is a concrete culvert carrying S.H. 99 over Diamond Spring Branch CR in Johnston County, Oklahoma. It was built in 2014, so it is 11 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 1,500 vehicles a day, roughly 16% of them trucks, projected to reach 2,400 by 2042. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesS.H. 99
CrossesDiamond Spring Branch CR
Location4.4 N Jct. S.H. 7
RouteState Highway 99
CountyJohnston County
StateOklahoma
Coordinates34.42167, -96.63583
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 spans2
Design loadHL 93
Structure length28 ft (8.4 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic2,400 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Diamond Spring Branch CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is S.H. 99 over Diamond Spring Branch CR 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 April 2024.

How much traffic does S.H. 99 over Diamond Spring Branch CR carry?

About 1,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 99 over Diamond Spring Branch CR?

The structure is 28 ft (8.4 m) long with a longest span of 14 ft (4.2 m).

Who owns S.H. 99 over Diamond Spring Branch CR?

It is owned by the State Highway Agency.