US Bridges

County RD 524 over Cane CR

PoorClosed to traffic

Bollinger County, Missouri · S 7 T 29 N R 10 E · Structure no. 16314

Built
1922
103 years old
Condition
Poor
inspected November 2024
Type
Truss - Thru
Steel
Length
67 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 524 over Cane CR is a steel truss - thru carrying County RD 524 over Cane CR in Bollinger County, Missouri. It was built in 1922, so it is 103 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: closed to all traffic.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 67 ft (20.4 m) long and 13 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 524
CrossesCane CR
LocationS 7 T 29 N R 10 E
RouteCounty Highway 116
Coordinates37.19758, -89.98138
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadOther
Structure length67 ft (20.4 m)
Longest span48 ft (14.6 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic46 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$510,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 524 over Cane CR built?

It was built in 1922, making it 103 years old in 2025.

What condition is County RD 524 over Cane 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 November 2024.

How much traffic does County RD 524 over Cane CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 524 over Cane CR?

The structure is 67 ft (20.4 m) long with a longest span of 48 ft (14.6 m) and a deck 13 ft wide.

Who owns County RD 524 over Cane CR?

It is owned by the County Highway Agency.