US Bridges

County Road 418 over Rattlesnake Crk

Good

Livingston County, Missouri · S 3 T 36 N R 25 W · Structure no. 37292

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 418 over Rattlesnake Crk is a steel stringer/multi-beam or girder carrying County Road 418 over Rattlesnake Crk in Livingston County, Missouri. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 53 ft (16.2 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCounty Road 418
CrossesRattlesnake Crk
LocationS 3 T 36 N R 25 W
RouteCounty Highway 298
Coordinates39.69859, -93.69057
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span51 ft (15.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic28 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Road 418 over Rattlesnake Crk built?

It was built in 2024, making it 1 years old in 2025.

What condition is County Road 418 over Rattlesnake Crk 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 January 2025.

How much traffic does County Road 418 over Rattlesnake Crk carry?

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

How long is County Road 418 over Rattlesnake Crk?

The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.4 m) and a deck 25 ft wide.

Who owns County Road 418 over Rattlesnake Crk?

It is owned by the County Highway Agency.