US Bridges

Rt H E over S Wyaconda River

Good

Scotland County, Missouri · S 4 T 65 N R 10 W · Structure no. 6187

Built
1949
76 years old, rebuilt 2009
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
3 main spans
Daily traffic
373
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H E over S Wyaconda River is a steel continuous stringer/multi-beam or girder carrying Rt H E over S Wyaconda River in Scotland County, Missouri. It was built in 1949 and reconstructed in 2009, so it is 76 years old, older 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 373 vehicles a day, roughly 18% of them trucks, projected to reach 541 by 2044. The structure is 204 ft (62.2 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRt H E
CrossesS Wyaconda River
LocationS 4 T 65 N R 10 W
RouteState Highway 0H
Coordinates40.46858, -92.01638
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length204 ft (62.2 m)
Longest span80 ft (24.4 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 closed8.1 mi (13 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 S Wyaconda River built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2009.

What condition is Rt H E over S Wyaconda River 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 2024.

How much traffic does Rt H E over S Wyaconda River carry?

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

How long is Rt H E over S Wyaconda River?

The structure is 204 ft (62.2 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns Rt H E over S Wyaconda River?

It is owned by the State Highway Agency.