US Bridges

Benton RD over Floyd CR

Good

Adair County, Missouri · S 20 T 63 N R 15 W · Structure no. 33313

Built
2011
14 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Benton RD over Floyd CR is a steel stringer/multi-beam or girder carrying Benton RD over Floyd CR in Adair County, Missouri. It was built in 2011, so it is 14 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 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 50 vehicles a day, roughly 25% of them trucks, projected to reach 55 by 2044. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesBenton RD
CrossesFloyd CR
LocationS 20 T 63 N R 15 W
RouteCity Street 139
CountyAdair County
StateMissouri
Coordinates40.24961, -92.60269
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic55 by 2044
Trucks25%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Benton RD over Floyd CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is Benton RD over Floyd 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 2024.

How much traffic does Benton RD over Floyd CR carry?

About 50 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Benton RD over Floyd CR?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 16 ft wide.

Who owns Benton RD over Floyd CR?

It is owned by the County Highway Agency.