US Bridges

County RD #418 over Trace CR

Poor

Madison County, Missouri · S 13 T 31 N R 5 E · Structure no. 15487

Built
1960
65 years old
Condition
Poor
inspected December 2024
Type
Slab
Concrete
Length
30 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County RD #418 over Trace CR is a concrete slab carrying County RD #418 over Trace CR in Madison County, Missouri. It was built in 1960, so it is 65 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 3 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: open, posting recommended but not legally implemented.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2044. The structure is 30 ft (9.1 m) long and 11 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD #418
CrossesTrace CR
LocationS 13 T 31 N R 5 E
RouteCounty Highway 95
Coordinates37.37371, -90.43634
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating6 US tons
Inventory rating5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width11 ft (3.5 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic20 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$289,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD #418 over Trace CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is County RD #418 over Trace 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 December 2024.

How much traffic does County RD #418 over Trace CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD #418 over Trace CR?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m) and a deck 11 ft wide.

Who owns County RD #418 over Trace CR?

It is owned by the County Highway Agency.