US Bridges

Rt Jj S over Slater Br

Good

Chariton County, Missouri · S 21 T 56 N R 19 W · Structure no. 7180

Built
1961
64 years old, rebuilt 2024
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
3 main spans
Daily traffic
113
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Jj S over Slater Br is a steel stringer/multi-beam or girder carrying Rt Jj S over Slater Br in Chariton County, Missouri. It was built in 1961 and reconstructed in 2024, so it is 64 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 113 vehicles a day, roughly 19% of them trucks, projected to reach 141 by 2044. The structure is 105 ft (31.9 m) long and 25 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesRt Jj S
CrossesSlater Br
LocationS 21 T 56 N R 19 W
RouteState Highway 0JJ
Coordinates39.65282, -93.03557
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length105 ft (31.9 m)
Longest span34 ft (10.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2024)
Projected traffic141 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Jj S over Slater Br built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2024.

What condition is Rt Jj S over Slater Br 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 December 2024.

How much traffic does Rt Jj S over Slater Br carry?

About 113 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Rt Jj S over Slater Br?

The structure is 105 ft (31.9 m) long with a longest span of 34 ft (10.4 m) and a deck 25 ft wide.

Who owns Rt Jj S over Slater Br?

It is owned by the State Highway Agency.