US Bridges

S.H. 99 over Blue River

Fair

Johnston County, Oklahoma · 3.8MI. S. of Pontotoc C/L · Structure no. 285740000000000

Built
2009
16 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
290 ft
3 main spans
Daily traffic
1,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Blue River is a prestressed concrete stringer/multi-beam or girder carrying S.H. 99 over Blue River in Johnston County, Oklahoma. It was built in 2009, so it is 16 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 1,200 vehicles a day, roughly 10% of them trucks, projected to reach 1,920 by 2042. The structure is 290 ft (88.5 m) long and 40 ft wide. If it were closed, the detour would be 67.1 mi (108 km).

Location

Open in Google Maps
CarriesS.H. 99
CrossesBlue River
Location3.8MI. S. of Pontotoc C/L
RouteState Highway 99
CountyJohnston County
StateOklahoma
Coordinates34.45395, -96.63567
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length290 ft (88.5 m)
Longest span120 ft (36.6 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,920 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.1 mi (108 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Blue River built?

It was built in 2009, making it 16 years old in 2025.

What condition is S.H. 99 over Blue River 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 Blue River carry?

About 1,200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is S.H. 99 over Blue River?

The structure is 290 ft (88.5 m) long with a longest span of 120 ft (36.6 m) and a deck 40 ft wide.

Who owns S.H. 99 over Blue River?

It is owned by the State Highway Agency.