US Bridges

Rt H S over Sni-A-Bar CR

Good

Jackson County, Missouri · S 20 T 49 N R 29 W · Structure no. 33386

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
113 ft
3 main spans
Daily traffic
4,355
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Sni-A-Bar CR is a prestressed concrete box beam or girders - single or spread carrying Rt H S over Sni-A-Bar CR in Jackson 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 4,355 vehicles a day, roughly 5% of them trucks, projected to reach 6,097 by 2044. The structure is 113 ft (34.3 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesRt H S
CrossesSni-A-Bar CR
LocationS 20 T 49 N R 29 W
RouteState Highway 0H
Coordinates39.03887, -94.12769
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.2 US tons
Inventory rating56.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.3 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,355 (2024)
Projected traffic6,097 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt H S over Sni-A-Bar CR built?

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

What condition is Rt H S over Sni-A-Bar 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 November 2023.

How much traffic does Rt H S over Sni-A-Bar CR carry?

About 4,355 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt H S over Sni-A-Bar CR?

The structure is 113 ft (34.3 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Rt H S over Sni-A-Bar CR?

It is owned by the State Highway Agency.