US Bridges

Mo 123 S over Creek

Poor

Polk County, Missouri · S 34 T 35 N R 24 W · Structure no. 4969

Built
1926
99 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Concrete
Length
63 ft
2 main spans
Daily traffic
626
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 123 S over Creek is a concrete tee beam carrying Mo 123 S over Creek in Polk County, Missouri. It was built in 1926, so it is 99 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.

It carries about 626 vehicles a day, roughly 11% of them trucks, projected to reach 1,002 by 2044. The structure is 63 ft (19.2 m) long and 22 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesMo 123 S
CrossesCreek
LocationS 34 T 35 N R 24 W
RouteState Highway 123
Coordinates37.74812, -93.56034
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating25.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length63 ft (19.2 m)
Longest span31 ft (9.5 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic626 (2024)
Projected traffic1,002 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$774,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 123 S over Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is Mo 123 S over Creek 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 November 2024.

How much traffic does Mo 123 S over Creek carry?

About 626 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 123 S over Creek?

The structure is 63 ft (19.2 m) long with a longest span of 31 ft (9.5 m) and a deck 22 ft wide.

Who owns Mo 123 S over Creek?

It is owned by the State Highway Agency.