US Bridges

NW Hickock DR over Plum CR

Good

Caldwell County, Missouri · S 17 T 56 N R 29 W · Structure no. 23070

Built
1937
88 years old, rebuilt 2011
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

NW Hickock DR over Plum CR is a steel stringer/multi-beam or girder carrying NW Hickock DR over Plum CR in Caldwell County, Missouri. It was built in 1937 and reconstructed in 2011, so it is 88 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 34 ft (10.5 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNW Hickock DR
CrossesPlum CR
LocationS 17 T 56 N R 29 W
RouteCounty Highway 388
CountyCaldwell County
StateMissouri
Coordinates39.66113, -94.17519
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.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length34 ft (10.5 m)
Longest span33 ft (10.2 m)
Deck width17 ft (5.3 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$211,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Hickock DR over Plum CR built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2011.

What condition is NW Hickock DR over Plum 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 October 2023.

How much traffic does NW Hickock DR over Plum CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NW Hickock DR over Plum CR?

The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10.2 m) and a deck 17 ft wide.

Who owns NW Hickock DR over Plum CR?

It is owned by the County Highway Agency.