US Bridges

Mo 86 E over Big Indian CR

Fair

Stone County, Missouri · S 22 T 21 N R 24 W · Structure no. 414

Built
1957
68 years old, rebuilt 2005
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
3 main spans
Daily traffic
3,138
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 86 E over Big Indian CR is a steel continuous stringer/multi-beam or girder carrying Mo 86 E over Big Indian CR in Stone County, Missouri. It was built in 1957 and reconstructed in 2005, so it is 68 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 3,138 vehicles a day, roughly 10% of them trucks, projected to reach 6,276 by 2044. The structure is 260 ft (79.2 m) long and 27 ft wide. If it were closed, the detour would be 73.9 mi (119 km).

CarriesMo 86 E
CrossesBig Indian CR
LocationS 22 T 21 N R 24 W
RouteState Highway 86
Coordinates36.50572, -93.52683
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadH 15
Structure length260 ft (79.2 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,138 (2024)
Projected traffic6,276 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed73.9 mi (119 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 86 E over Big Indian CR built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2005.

What condition is Mo 86 E over Big Indian 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 June 2024.

How much traffic does Mo 86 E over Big Indian CR carry?

About 3,138 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 86 E over Big Indian CR?

The structure is 260 ft (79.2 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns Mo 86 E over Big Indian CR?

It is owned by the State Highway Agency.