US Bridges

S White Oak RD over Turnbo CR

Good

Webster County, Missouri · S 16 T 30 N R 18 W · Structure no. 34586

Built
2014
11 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

S White Oak RD over Turnbo CR is a concrete slab carrying S White Oak RD over Turnbo CR in Webster County, Missouri. It was built in 2014, so it is 11 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 330 by 2043. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS White Oak RD
CrossesTurnbo CR
LocationS 16 T 30 N R 18 W
RouteCounty Highway 226
Coordinates37.31861, -92.91278
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.4 US tons
Inventory rating46.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic330 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S White Oak RD over Turnbo CR built?

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

What condition is S White Oak RD over Turnbo CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does S White Oak RD over Turnbo CR carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S White Oak RD over Turnbo CR?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns S White Oak RD over Turnbo CR?

It is owned by the County Highway Agency.