US Bridges

330 ST over Elkhorn CR

Good

Nodaway County, Missouri · S 25 T 63 N R 37 W · Structure no. 32093

Built
2008
17 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

330 ST over Elkhorn CR is a prestressed concrete stringer/multi-beam or girder carrying 330 ST over Elkhorn CR in Nodaway County, Missouri. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 115 by 2044. The structure is 102 ft (31.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries330 ST
CrossesElkhorn CR
LocationS 25 T 63 N R 37 W
RouteCounty Highway 853
Coordinates40.24245, -95.02271
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating85.3 US tons
Inventory rating51.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length102 ft (31.1 m)
Longest span99 ft (30.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic115 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 330 ST over Elkhorn CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is 330 ST over Elkhorn 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 January 2025.

How much traffic does 330 ST over Elkhorn CR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 330 ST over Elkhorn CR?

The structure is 102 ft (31.1 m) long with a longest span of 99 ft (30.2 m) and a deck 27 ft wide.

Who owns 330 ST over Elkhorn CR?

It is owned by the County Highway Agency.