US Bridges

County RD E-405 over Jump Off CR

Fair

Polk County, Missouri · S 19 T 34 N R 24 W · Structure no. 30185

Built
2002
23 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
38 ft
4 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

County RD E-405 over Jump Off CR is a concrete continuous slab carrying County RD E-405 over Jump Off CR in Polk County, Missouri. It was built in 2002, so it is 23 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2044. The structure is 38 ft (11.5 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD E-405
CrossesJump Off CR
LocationS 19 T 34 N R 24 W
RouteCounty Highway 232
CountyPolk County
StateMissouri
Coordinates37.66706, -93.59312
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length38 ft (11.5 m)
Longest span9 ft (2.8 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic36 by 2044
Trucks10%
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 County RD E-405 over Jump Off CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is County RD E-405 over Jump Off CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does County RD E-405 over Jump Off CR carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD E-405 over Jump Off CR?

The structure is 38 ft (11.5 m) long with a longest span of 9 ft (2.8 m) and a deck 19 ft wide.

Who owns County RD E-405 over Jump Off CR?

It is owned by the County Highway Agency.