US Bridges

123rd ST over Br of Shoal CR

FairPosted for load

Putnam County, Missouri · S 4 T 66 N R 18 W · Structure no. 17447

Built
1950
75 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

123rd ST over Br of Shoal CR is a steel stringer/multi-beam or girder carrying 123rd ST over Br of Shoal CR in Putnam County, Missouri. It was built in 1950, so it is 75 years old, older 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. 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 27 ft (8.2 m) long and 12 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries123rd ST
CrossesBr of Shoal CR
LocationS 4 T 66 N R 18 W
RouteCounty Highway 153
CountyPutnam County
StateMissouri
Coordinates40.55505, -92.93127
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 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 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 123rd ST over Br of Shoal CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is 123rd ST over Br of Shoal CR 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 March 2023.

How much traffic does 123rd ST over Br of Shoal CR carry?

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

How long is 123rd ST over Br of Shoal CR?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 12 ft wide.

Who owns 123rd ST over Br of Shoal CR?

It is owned by the County Highway Agency.