US Bridges

SW 351 over Deepwater CR

Fair

Henry County, Missouri · S 5 T 40 N R 26 W · Structure no. 29675

Built
2001
24 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

SW 351 over Deepwater CR is a steel stringer/multi-beam or girder carrying SW 351 over Deepwater CR in Henry County, Missouri. It was built in 2001, so it is 24 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 83 ft (25.3 m) long and 16 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSW 351
CrossesDeepwater CR
LocationS 5 T 40 N R 26 W
RouteCounty Highway 338
CountyHenry County
StateMissouri
Coordinates38.2937, -93.82383
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length83 ft (25.3 m)
Longest span81 ft (24.7 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 351 over Deepwater CR built?

It was built in 2001, making it 24 years old in 2025.

What condition is SW 351 over Deepwater CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does SW 351 over Deepwater CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW 351 over Deepwater CR?

The structure is 83 ft (25.3 m) long with a longest span of 81 ft (24.7 m) and a deck 16 ft wide.

Who owns SW 351 over Deepwater CR?

It is owned by the County Highway Agency.