US Bridges

Igloo ST over E Fk Chariton Rvr

Good

Macon County, Missouri · S 3 T 60 N R 15 W · Structure no. 13667

Built
1991
34 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Igloo ST over E Fk Chariton Rvr is a steel stringer/multi-beam or girder carrying Igloo ST over E Fk Chariton Rvr in Macon County, Missouri. It was built in 1991, so it is 34 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 58 ft (17.7 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIgloo ST
CrossesE Fk Chariton Rvr
LocationS 3 T 60 N R 15 W
RouteCounty Highway 44
CountyMacon County
StateMissouri
Coordinates40.03739, -92.54767
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length58 ft (17.7 m)
Longest span57 ft (17.4 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.9 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 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$309,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Igloo ST over E Fk Chariton Rvr built?

It was built in 1991, making it 34 years old in 2025.

What condition is Igloo ST over E Fk Chariton Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

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

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

How long is Igloo ST over E Fk Chariton Rvr?

The structure is 58 ft (17.7 m) long with a longest span of 57 ft (17.4 m) and a deck 17 ft wide.

Who owns Igloo ST over E Fk Chariton Rvr?

It is owned by the County Highway Agency.