US Bridges

Rt H E over N Wyaconda Rvr

Good

Scotland County, Missouri · S 21 T 66 N R 10 W · Structure no. 35329

Built
2016
9 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
134 ft
3 main spans
Daily traffic
373
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H E over N Wyaconda Rvr is a prestressed concrete box beam or girders - single or spread carrying Rt H E over N Wyaconda Rvr in Scotland County, Missouri. It was built in 2016, so it is 9 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 373 vehicles a day, roughly 18% of them trucks, projected to reach 541 by 2044. The structure is 134 ft (40.7 m) long and 27 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesRt H E
CrossesN Wyaconda Rvr
LocationS 21 T 66 N R 10 W
RouteState Highway 0H
Coordinates40.50922, -92.01537
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating51.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length134 ft (40.7 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic373 (2024)
Projected traffic541 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt H E over N Wyaconda Rvr built?

It was built in 2016, making it 9 years old in 2025.

What condition is Rt H E 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 October 2022.

How much traffic does Rt H E over N Wyaconda Rvr carry?

About 373 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rt H E over N Wyaconda Rvr?

The structure is 134 ft (40.7 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns Rt H E over N Wyaconda Rvr?

It is owned by the State Highway Agency.