US Bridges

Inkwell ST over E Fk Chariton Rvr

Fair

Macon County, Missouri · S 25 T 59 N R 15 W · Structure no. 20760

Built
2000
25 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Inkwell ST over E Fk Chariton Rvr is a steel stringer/multi-beam or girder carrying Inkwell ST over E Fk Chariton Rvr in Macon County, Missouri. It was built in 2000, so it is 25 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 80 ft (24.4 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesInkwell ST
CrossesE Fk Chariton Rvr
LocationS 25 T 59 N R 15 W
RouteCounty Highway 273
CountyMacon County
StateMissouri
Coordinates39.89659, -92.5203
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.
Superstructure7 GoodSome minor problems.
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 inspectionFebruary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length80 ft (24.4 m)
Longest span79 ft (24.1 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 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 closed6.8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$407,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Inkwell ST over E Fk Chariton Rvr built?

It was built in 2000, making it 25 years old in 2025.

What condition is Inkwell 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 February 2024.

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

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

How long is Inkwell ST over E Fk Chariton Rvr?

The structure is 80 ft (24.4 m) long with a longest span of 79 ft (24.1 m) and a deck 18 ft wide.

Who owns Inkwell ST over E Fk Chariton Rvr?

It is owned by the County Highway Agency.