US Bridges

US 65 S over Cst Cahill RD Mna RR

Fair

Taney County, Missouri · S 32 T 23 N R 21 W · Structure no. 2636

Built
1989
36 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
548 ft
10 main spans
Daily traffic
29,983
2024 count
Owner
State
State Highway Agency

About this bridge

US 65 S over Cst Cahill RD Mna RR is a steel continuous stringer/multi-beam or girder carrying US 65 S over Cst Cahill RD Mna RR in Taney County, Missouri. It was built in 1989, so it is 36 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 5 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 29,983 vehicles a day, roughly 7% of them trucks, projected to reach 52,470 by 2044. The structure is 548 ft (167 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 65 S
CrossesCst Cahill RD Mna RR
LocationS 32 T 23 N R 21 W
RouteU.S. Route 65
Coordinates36.65009, -93.22432
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length548 ft (167 m)
Longest span69 ft (21 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,983 (2024)
Projected traffic52,470 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed0.6 mi (1 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 S over Cst Cahill RD Mna RR built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 65 S over Cst Cahill RD Mna RR 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 March 2024.

How much traffic does US 65 S over Cst Cahill RD Mna RR carry?

About 29,983 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is US 65 S over Cst Cahill RD Mna RR?

The structure is 548 ft (167 m) long with a longest span of 69 ft (21 m) and a deck 41 ft wide.

Who owns US 65 S over Cst Cahill RD Mna RR?

It is owned by the State Highway Agency.