US Bridges

Calamint Trail over Trib to Sandy CR

PoorPosted for load

Putnam County, Missouri · S 24 T 66 N R 18 W · Structure no. 17859

Built
1925
100 years old, rebuilt 2016
Condition
Poor
inspected March 2023
Type
Truss - Thru
Steel
Length
40 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

Calamint Trail over Trib to Sandy CR is a steel truss - thru carrying Calamint Trail over Trib to Sandy CR in Putnam County, Missouri. It was built in 1925 and reconstructed in 2016, so it is 100 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 40 ft (12.2 m) long and 13 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCalamint Trail
CrossesTrib to Sandy CR
LocationS 24 T 66 N R 18 W
RouteCounty Highway 165
Coordinates40.50587, -92.85907
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating5 US tons
Inventory rating3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width13 ft (3.9 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 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 Calamint Trail over Trib to Sandy CR built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2016.

What condition is Calamint Trail over Trib to Sandy CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Calamint Trail over Trib to Sandy CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Calamint Trail over Trib to Sandy CR?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 13 ft wide.

Who owns Calamint Trail over Trib to Sandy CR?

It is owned by the County Highway Agency.