US Bridges

Old HWY 36 over Ovrfl Mid Fk Chari

Fair

Macon County, Missouri · S 8 T 57 N R 15 W · Structure no. 25089

Built
1929
96 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
110 ft
4 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Old HWY 36 over Ovrfl Mid Fk Chari is a concrete slab carrying Old HWY 36 over Ovrfl Mid Fk Chari in Macon County, Missouri. It was built in 1929, so it is 96 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 110 ft (33.5 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld HWY 36
CrossesOvrfl Mid Fk Chari
LocationS 8 T 57 N R 15 W
RouteCounty Highway 621
CountyMacon County
StateMissouri
Coordinates39.75436, -92.5965
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length110 ft (33.5 m)
Longest span22 ft (6.7 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 36 over Ovrfl Mid Fk Chari built?

It was built in 1929, making it 96 years old in 2025.

What condition is Old HWY 36 over Ovrfl Mid Fk Chari 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 January 2024.

How much traffic does Old HWY 36 over Ovrfl Mid Fk Chari carry?

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

How long is Old HWY 36 over Ovrfl Mid Fk Chari?

The structure is 110 ft (33.5 m) long with a longest span of 22 ft (6.7 m) and a deck 23 ft wide.

Who owns Old HWY 36 over Ovrfl Mid Fk Chari?

It is owned by the County Highway Agency.