US Bridges

County RD 714 over N Wyaconda Rvr

Good

Scotland County, Missouri · S 14 T 66 N R 11 W · Structure no. 34995

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 714 over N Wyaconda Rvr is a prestressed concrete tee beam carrying County RD 714 over N Wyaconda Rvr in Scotland County, Missouri. It was built in 2015, so it is 10 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 63 by 2044. The structure is 127 ft (38.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 714
CrossesN Wyaconda Rvr
LocationS 14 T 66 N R 11 W
RouteCounty Highway 159
Coordinates40.53224, -92.08173
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
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 alignment6: Equal to present minimum criteria
Operating rating70.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span124 ft (37.8 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic63 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 714 over N Wyaconda Rvr built?

It was built in 2015, making it 10 years old in 2025.

What condition is County RD 714 over N Wyaconda Rvr 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 June 2023.

How much traffic does County RD 714 over N Wyaconda Rvr carry?

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

How long is County RD 714 over N Wyaconda Rvr?

The structure is 127 ft (38.7 m) long with a longest span of 124 ft (37.8 m) and a deck 25 ft wide.

Who owns County RD 714 over N Wyaconda Rvr?

It is owned by the County Highway Agency.