US Bridges

Jackson RD over Salt CR

Good

Chariton County, Missouri · S 32 T 55 N R 20 W · Structure no. 20748

Built
1994
31 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Jackson RD over Salt CR is a steel stringer/multi-beam or girder carrying Jackson RD over Salt CR in Chariton County, Missouri. It was built in 1994, so it is 31 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 46 ft (14 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesJackson RD
CrossesSalt CR
LocationS 32 T 55 N R 20 W
RouteCounty Highway 273
Coordinates39.5356, -93.17593
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Jackson RD over Salt CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Jackson RD over Salt 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 September 2024.

How much traffic does Jackson RD over Salt CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Jackson RD over Salt CR?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.

Who owns Jackson RD over Salt CR?

It is owned by the County Highway Agency.