US Bridges

SW600 over Br of Deepwater CR

Fair

Henry County, Missouri · S 6 T 40 N R 26 W · Structure no. 30661

Built
2003
22 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

SW600 over Br of Deepwater CR is a steel stringer/multi-beam or girder carrying SW600 over Br of Deepwater CR in Henry County, Missouri. It was built in 2003, so it is 22 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2043. The structure is 35 ft (10.7 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSW600
CrossesBr of Deepwater CR
LocationS 6 T 40 N R 26 W
RouteCounty Highway 487
CountyHenry County
StateMissouri
Coordinates38.28112, -93.83525
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic28 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 SW600 over Br of Deepwater CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is SW600 over Br of 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 SW600 over Br of Deepwater CR carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW600 over Br of Deepwater CR?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 18 ft wide.

Who owns SW600 over Br of Deepwater CR?

It is owned by the County Highway Agency.