US Bridges

US 59 S over Rock CR

Fair

Holt County, Missouri · S 36 T 60 N R 38 W · Structure no. 29219

Built
2002
23 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,524
2024 count
Owner
State
State Highway Agency

About this bridge

US 59 S over Rock CR is a concrete continuous culvert carrying US 59 S over Rock CR in Holt 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 1,524 vehicles a day, roughly 12% of them trucks, projected to reach 1,981 by 2044. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 4.3 mi (7 km).

CarriesUS 59 S
CrossesRock CR
LocationS 36 T 60 N R 38 W
RouteU.S. Route 59
Coordinates39.97391, -95.11412
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,524 (2024)
Projected traffic1,981 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 US 59 S over Rock CR built?

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

What condition is US 59 S over Rock 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 January 2024.

How much traffic does US 59 S over Rock CR carry?

About 1,524 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is US 59 S over Rock CR?

The structure is 27 ft (8.1 m) long with a longest span of 13 ft (3.9 m).

Who owns US 59 S over Rock CR?

It is owned by the State Highway Agency.