US Bridges

400 ST over Hickory CR

Poor

Nodaway County, Missouri · S 26 T 62 N R 34 W · Structure no. 31866

Built
2006
19 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

400 ST over Hickory CR is a steel stringer/multi-beam or girder carrying 400 ST over Hickory CR in Nodaway County, Missouri. It was built in 2006, so it is 19 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 52 ft (15.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries400 ST
CrossesHickory CR
LocationS 26 T 62 N R 34 W
RouteCounty Highway 1029
CountyNodaway County
StateMissouri
Coordinates40.14097, -94.69196
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span52 ft (15.7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$283,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 400 ST over Hickory CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is 400 ST over Hickory CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does 400 ST over Hickory CR carry?

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

How long is 400 ST over Hickory CR?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.7 m) and a deck 25 ft wide.

Who owns 400 ST over Hickory CR?

It is owned by the County Highway Agency.