US Bridges

Benton RD over Br of Floyd CR

Good

Adair County, Missouri · S 20 T 63 N R 15 W · Structure no. 34404

Built
2013
12 years old
Condition
Good
inspected January 2024
Type
Channel Beam
Concrete
Length
44 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Benton RD over Br of Floyd CR is a concrete channel beam carrying Benton RD over Br of Floyd CR in Adair County, Missouri. It was built in 2013, so it is 12 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 44 ft (13.4 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBenton RD
CrossesBr of Floyd CR
LocationS 20 T 63 N R 15 W
RouteCounty Highway 137
Coordinates40.24972, -92.59917
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Br of Floyd CR built?

It was built in 2013, making it 12 years old in 2025.

What condition is Benton RD over Br of 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 Br of Floyd CR carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Benton RD over Br of Floyd CR?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 23 ft wide.

Who owns Benton RD over Br of Floyd CR?

It is owned by the County Highway Agency.