US Bridges

Dix RD S over US 50

Poor

Cole County, Missouri · S 11 T 44 N R 12 W · Structure no. 977

Built
1964
61 years old
Condition
Poor
inspected July 2024
Type
Frame
Concrete
Length
139 ft
1 main span
Daily traffic
16,141
2024 count
Owner
State
State Highway Agency

About this bridge

Dix RD S over US 50 is a concrete frame carrying Dix RD S over US 50 in Cole County, Missouri. It was built in 1964, so it is 61 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 16,141 vehicles a day, roughly 5% of them trucks, projected to reach 25,826 by 2044. The structure is 139 ft (42.4 m) long and 55 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDix RD S
CrossesUS 50
LocationS 11 T 44 N R 12 W
RouteCity Street 0
Coordinates38.58438, -92.20244
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length139 ft (42.4 m)
Longest span81 ft (24.7 m)
Deck width55 ft (16.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,141 (2024)
Projected traffic25,826 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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$2.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dix RD S over US 50 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Dix RD S over US 50 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 July 2024.

How much traffic does Dix RD S over US 50 carry?

About 16,141 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Dix RD S over US 50?

The structure is 139 ft (42.4 m) long with a longest span of 81 ft (24.7 m) and a deck 55 ft wide.

Who owns Dix RD S over US 50?

It is owned by the State Highway Agency.