US Bridges

Hiawatha ST over Mid Fk Chariton Rv

Fair

Macon County, Missouri · S 10 T 58 N R 15 W · Structure no. 20421

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Hiawatha ST over Mid Fk Chariton Rv is a steel stringer/multi-beam or girder carrying Hiawatha ST over Mid Fk Chariton Rv in Macon County, Missouri. It was built in 1989, so it is 36 years old, younger 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 6 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 54 ft (16.5 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesHiawatha ST
CrossesMid Fk Chariton Rv
LocationS 10 T 58 N R 15 W
RouteCounty Highway 259
CountyMacon County
StateMissouri
Coordinates39.852, -92.56441
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length54 ft (16.5 m)
Longest span53 ft (16.2 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic28 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Hiawatha ST over Mid Fk Chariton Rv built?

It was built in 1989, making it 36 years old in 2025.

What condition is Hiawatha ST over Mid Fk Chariton Rv 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 Hiawatha ST over Mid Fk Chariton Rv carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Hiawatha ST over Mid Fk Chariton Rv?

The structure is 54 ft (16.5 m) long with a longest span of 53 ft (16.2 m) and a deck 16 ft wide.

Who owns Hiawatha ST over Mid Fk Chariton Rv?

It is owned by the County Highway Agency.