US Bridges

County RD 1000 over Br Sliver CR

PoorPosted for load

Cedar County, Missouri · S 31 T 35 N R 25 W · Structure no. 16975

Built
1974
51 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
2 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1000 over Br Sliver CR is a steel stringer/multi-beam or girder carrying County RD 1000 over Br Sliver CR in Cedar County, Missouri. It was built in 1974, so it is 51 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2043. The structure is 36 ft (11 m) long and 14 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 1000
CrossesBr Sliver CR
LocationS 31 T 35 N R 25 W
RouteCounty Highway 138
Coordinates37.74486, -93.73628
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating7.9 US tons
Inventory rating4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length36 ft (11 m)
Longest span14 ft (4.3 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic38 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1000 over Br Sliver CR built?

It was built in 1974, making it 51 years old in 2025.

What condition is County RD 1000 over Br Sliver 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 1000 over Br Sliver CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1000 over Br Sliver CR?

The structure is 36 ft (11 m) long with a longest span of 14 ft (4.3 m) and a deck 14 ft wide.

Who owns County RD 1000 over Br Sliver CR?

It is owned by the County Highway Agency.