US Bridges

US 65 N over Blackwater Rvr

Fair

Saline County, Missouri · S 26 T 49 N R 21 W · Structure no. 777

Built
1961
64 years old, rebuilt 2009
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
525 ft
3 main spans
Daily traffic
3,585
2024 count
Owner
State
State Highway Agency

About this bridge

US 65 N over Blackwater Rvr is a steel continuous stringer/multi-beam or girder carrying US 65 N over Blackwater Rvr in Saline County, Missouri. It was built in 1961 and reconstructed in 2009, so it is 64 years old, older 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 3,585 vehicles a day, roughly 16% of them trucks, projected to reach 6,274 by 2044. The structure is 525 ft (160 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 65 N
CrossesBlackwater Rvr
LocationS 26 T 49 N R 21 W
RouteU.S. Route 65
CountySaline County
StateMissouri
Coordinates38.99219, -93.19643
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadH 20
Structure length525 ft (160 m)
Longest span115 ft (35.1 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,585 (2024)
Projected traffic6,274 by 2044
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 65 N over Blackwater Rvr built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2009.

What condition is US 65 N over Blackwater Rvr 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 May 2023.

How much traffic does US 65 N over Blackwater Rvr carry?

About 3,585 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is US 65 N over Blackwater Rvr?

The structure is 525 ft (160 m) long with a longest span of 115 ft (35.1 m) and a deck 34 ft wide.

Who owns US 65 N over Blackwater Rvr?

It is owned by the State Highway Agency.