US Bridges

County RD 531 over Buffalo CR

Good

Dunklin County, Missouri · S 13 T 17 N R 8 E · Structure no. 34347

Built
2013
12 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
65 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 531 over Buffalo CR is a concrete box beam or girders - multiple carrying County RD 531 over Buffalo CR in Dunklin 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2044. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty RD 531
CrossesBuffalo CR
LocationS 13 T 17 N R 8 E
RouteCounty Highway 396
CountyDunklin County
StateMissouri
Coordinates36.11664, -90.14122
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 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 rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic70 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 531 over Buffalo CR built?

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

What condition is County RD 531 over Buffalo 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 County RD 531 over Buffalo CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 531 over Buffalo CR?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 24 ft wide.

Who owns County RD 531 over Buffalo CR?

It is owned by the County Highway Agency.