US Bridges

County RD NE 500 over Lit Walnut CR

Good

Johnson County, Missouri · S 35 T 47 N R 24 W · Structure no. 33520

Built
2010
15 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

County RD NE 500 over Lit Walnut CR is a steel stringer/multi-beam or girder carrying County RD NE 500 over Lit Walnut CR in Johnson County, Missouri. It was built in 2010, so it is 15 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 64 by 2043. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty RD NE 500
CrossesLit Walnut CR
LocationS 35 T 47 N R 24 W
RouteCounty Highway 193
Coordinates38.82671, -93.5292
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating16.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span57 ft (17.4 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic64 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD NE 500 over Lit Walnut CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is County RD NE 500 over Lit Walnut 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 2024.

How much traffic does County RD NE 500 over Lit Walnut CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD NE 500 over Lit Walnut CR?

The structure is 61 ft (18.6 m) long with a longest span of 57 ft (17.4 m) and a deck 24 ft wide.

Who owns County RD NE 500 over Lit Walnut CR?

It is owned by the County Highway Agency.