US Bridges

Iguana ST over E Fk Chariton Rvr

Fair

Macon County, Missouri · S 26 T 60 N R 15 W · Structure no. 14337

Built
1988
37 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Iguana ST over E Fk Chariton Rvr is a steel stringer/multi-beam or girder carrying Iguana ST over E Fk Chariton Rvr in Macon County, Missouri. It was built in 1988, so it is 37 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 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 35 ft (10.7 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIguana ST
CrossesE Fk Chariton Rvr
LocationS 26 T 60 N R 15 W
RouteCounty Highway 64
CountyMacon County
StateMissouri
Coordinates39.97818, -92.53509
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Iguana ST over E Fk Chariton Rvr built?

It was built in 1988, making it 37 years old in 2025.

What condition is Iguana ST over E Fk Chariton Rvr 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 December 2023.

How much traffic does Iguana ST over E Fk Chariton Rvr carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Iguana ST over E Fk Chariton Rvr?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 16 ft wide.

Who owns Iguana ST over E Fk Chariton Rvr?

It is owned by the County Highway Agency.