US Bridges

Old HWY 36 over Mid Fk Chariton Rv

PoorPosted for load

Macon County, Missouri · S 17 T 57 N R 15 W · Structure no. 25088

Built
1925
100 years old
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete
Length
143 ft
3 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Old HWY 36 over Mid Fk Chariton Rv is a concrete tee beam carrying Old HWY 36 over Mid Fk Chariton Rv in Macon County, Missouri. It was built in 1925, so it is 100 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 143 ft (43.6 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld HWY 36
CrossesMid Fk Chariton Rv
LocationS 17 T 57 N R 15 W
RouteCounty Highway 621
Coordinates39.75454, -92.59907
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length143 ft (43.6 m)
Longest span48 ft (14.6 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$965,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 36 over Mid Fk Chariton Rv built?

It was built in 1925, making it 100 years old in 2025.

What condition is Old HWY 36 over Mid Fk Chariton Rv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Old HWY 36 over Mid Fk Chariton Rv carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Old HWY 36 over Mid Fk Chariton Rv?

The structure is 143 ft (43.6 m) long with a longest span of 48 ft (14.6 m) and a deck 23 ft wide.

Who owns Old HWY 36 over Mid Fk Chariton Rv?

It is owned by the County Highway Agency.