US Bridges

County RD 1320 over Cedar CR

PoorPosted for load

Cedar County, Missouri · S 9 T 34 N R 27 W · Structure no. 20190

Built
1911
114 years old
Condition
Poor
inspected December 2024
Type
Truss - Thru
Steel
Length
122 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1320 over Cedar CR is a steel truss - thru carrying County RD 1320 over Cedar CR in Cedar County, Missouri. It was built in 1911, so it is 114 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: posted for load restriction.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 56 by 2043. The structure is 122 ft (37.2 m) long and 12 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCounty RD 1320
CrossesCedar CR
LocationS 9 T 34 N R 27 W
RouteCounty Highway 250
CountyCedar County
StateMissouri
Coordinates37.70751, -93.89517
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating12.9 US tons
Inventory rating5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOther
Main spans1
Design loadOther
Structure length122 ft (37.2 m)
Longest span120 ft (36.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic45 (2023)
Projected traffic56 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$838,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1320 over Cedar CR built?

It was built in 1911, making it 114 years old in 2025.

What condition is County RD 1320 over Cedar 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 1320 over Cedar CR carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1320 over Cedar CR?

The structure is 122 ft (37.2 m) long with a longest span of 120 ft (36.6 m) and a deck 12 ft wide.

Who owns County RD 1320 over Cedar CR?

It is owned by the County Highway Agency.