Mo 83 S over Blue CR

Fair

Benton County, Missouri · S 28 T 40 N R 22 W · Structure no. 8588

Built: 1931; 94 years old
Condition: Fair; inspected March 2023
Type: Culvert; Concrete Continuous
Length: 37 ft; 3 main spans
Daily traffic: 1,573; 2024 count
Owner: State; State Highway Agency

About this bridge

Mo 83 S over Blue CR is a concrete continuous culvert carrying Mo 83 S over Blue CR in Benton County, Missouri. It was built in 1931, so it is 94 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 1,573 vehicles a day, roughly 9% of them trucks, projected to reach 2,831 by 2044. The structure is 37 ft (11.4 m) long and 35 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

Location

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CarriesMo 83 S

CrossesBlue CR

LocationS 28 T 40 N R 22 W

RouteState Highway 83

CountyBenton County

StateMissouri

Coordinates38.21466, -93.35894

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.

Component	Rating	Meaning
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionMarch 2023

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is

Operating rating41.7 US tons

Inventory rating24.8 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans3

Design loadH 10

Structure length37 ft (11.4 m)

Longest span12 ft (3.7 m)

Deck width35 ft (10.7 m)

Roadway width33 ft (10.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,573 (2024)

Projected traffic2,831 by 2044

Trucks9%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed55.3 mi (89 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 83 S over Blue CR built?

It was built in 1931, making it 94 years old in 2025.

What condition is Mo 83 S over Blue 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 March 2023.

How much traffic does Mo 83 S over Blue CR carry?

About 1,573 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Mo 83 S over Blue CR?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 35 ft wide.

Who owns Mo 83 S over Blue CR?

It is owned by the State Highway Agency.