US Bridges

Mo 59 N over Kelly Springs Br

Fair

McDonald County, Missouri · S 18 T 23 N R 32 W · Structure no. 4663

Built
1923
102 years old, rebuilt 1941
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
3,632
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 59 N over Kelly Springs Br is a concrete culvert carrying Mo 59 N over Kelly Springs Br in McDonald County, Missouri. It was built in 1923 and reconstructed in 1941, so it is 102 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 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 3,632 vehicles a day, roughly 12% of them trucks, projected to reach 7,627 by 2044. The structure is 33 ft (10 m) long and 44 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesMo 59 N
CrossesKelly Springs Br
LocationS 18 T 23 N R 32 W
RouteState Highway 59
CountyMcDonald County
StateMissouri
Coordinates36.71561, -94.42058
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length33 ft (10 m)
Longest span12 ft (3.7 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,632 (2024)
Projected traffic7,627 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Mo 59 N over Kelly Springs Br built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1941.

What condition is Mo 59 N over Kelly Springs Br 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 Mo 59 N over Kelly Springs Br carry?

About 3,632 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 59 N over Kelly Springs Br?

The structure is 33 ft (10 m) long with a longest span of 12 ft (3.7 m) and a deck 44 ft wide.

Who owns Mo 59 N over Kelly Springs Br?

It is owned by the State Highway Agency.