US Bridges

Witt RD over Little Gravois CR

Good

Miller County, Missouri · S 36 T 41 N R 16 W · Structure no. 33397

Built
2011
14 years old
Condition
Good
inspected January 2025
Type
Channel Beam
Concrete
Length
37 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

Witt RD over Little Gravois CR is a concrete channel beam carrying Witt RD over Little Gravois CR in Miller County, Missouri. It was built in 2011, so it is 14 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 34 by 2043. The structure is 37 ft (11.3 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWitt RD
CrossesLittle Gravois CR
LocationS 36 T 41 N R 16 W
RouteCounty Highway 0
Coordinates38.26314, -92.64042
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic34 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local 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 Witt RD over Little Gravois CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is Witt RD over Little Gravois 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 January 2025.

How much traffic does Witt RD over Little Gravois CR carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Witt RD over Little Gravois CR?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 18 ft wide.

Who owns Witt RD over Little Gravois CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.