US Bridges

Hunt RD over Br of Sni-A-Bar CR

Good

Jackson County, Missouri · S 5 T 47 N R 29 W · Structure no. 21476

Built
1976
49 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
77
2024 count
Owner
County
County Highway Agency

About this bridge

Hunt RD over Br of Sni-A-Bar CR is a prestressed concrete tee beam carrying Hunt RD over Br of Sni-A-Bar CR in Jackson County, Missouri. It was built in 1976, so it is 49 years old, older 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 77 vehicles a day, roughly 2% of them trucks, projected to reach 116 by 2044. The structure is 58 ft (17.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHunt RD
CrossesBr of Sni-A-Bar CR
LocationS 5 T 47 N R 29 W
RouteCounty Highway 308
Coordinates38.9127, -94.14282
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length58 ft (17.7 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2024)
Projected traffic116 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-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 byCounty 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 Hunt RD over Br of Sni-A-Bar CR built?

It was built in 1976, making it 49 years old in 2025.

What condition is Hunt RD over Br of 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 February 2023.

How much traffic does Hunt RD over Br of Sni-A-Bar CR carry?

About 77 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Hunt RD over Br of Sni-A-Bar CR?

The structure is 58 ft (17.7 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns Hunt RD over Br of Sni-A-Bar CR?

It is owned by the County Highway Agency.