US Bridges

Rt K S over Blackwater Rvr

Good

Saline County, Missouri · S 17 T 48 N R 22 W · Structure no. 30524

Built
2004
21 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
630 ft
3 main spans
Daily traffic
299
2024 count
Owner
State
State Highway Agency

About this bridge

Rt K S over Blackwater Rvr is a steel continuous stringer/multi-beam or girder carrying Rt K S over Blackwater Rvr in Saline County, Missouri. It was built in 2004, so it is 21 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 299 vehicles a day, roughly 11% of them trucks, projected to reach 374 by 2044. The structure is 630 ft (192 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRt K S
CrossesBlackwater Rvr
LocationS 17 T 48 N R 22 W
RouteState Highway 0K
Coordinates38.95022, -93.34975
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating38.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length630 ft (192 m)
Longest span120 ft (36.6 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic299 (2024)
Projected traffic374 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt K S over Blackwater Rvr built?

It was built in 2004, making it 21 years old in 2025.

What condition is Rt K S over Blackwater 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 December 2023.

How much traffic does Rt K S over Blackwater Rvr carry?

About 299 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt K S over Blackwater Rvr?

The structure is 630 ft (192 m) long with a longest span of 120 ft (36.6 m) and a deck 35 ft wide.

Who owns Rt K S over Blackwater Rvr?

It is owned by the State Highway Agency.