US Bridges

353 ST over Elkhorn CR

Poor

Nodaway County, Missouri · S 2 T 62 N R 37 W · Structure no. 15155

Built
1984
41 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
90 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

353 ST over Elkhorn CR is a steel continuous stringer/multi-beam or girder carrying 353 ST over Elkhorn CR in Nodaway County, Missouri. It was built in 1984, so it is 41 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 90 ft (27.4 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries353 ST
CrossesElkhorn CR
LocationS 2 T 62 N R 37 W
RouteCounty Highway 866
Coordinates40.21358, -95.03491
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadOther
Structure length90 ft (27.4 m)
Longest span62 ft (18.9 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$671,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 353 ST over Elkhorn CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is 353 ST over Elkhorn 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 353 ST over Elkhorn CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 353 ST over Elkhorn CR?

The structure is 90 ft (27.4 m) long with a longest span of 62 ft (18.9 m) and a deck 20 ft wide.

Who owns 353 ST over Elkhorn CR?

It is owned by the County Highway Agency.