US Bridges

Cedar RD over Indian Rvr

Poor

McDonald County, Missouri · S 18 T 22 N R 32 W · Structure no. 30209

Built
1929
96 years old
Condition
Poor
inspected February 2024
Type
Arch - Deck
Concrete Continuous
Length
312 ft
3 main spans
Daily traffic
1,500
2024 count
Owner
County
County Highway Agency

About this bridge

Cedar RD over Indian Rvr is a concrete continuous arch - deck carrying Cedar RD over Indian Rvr in McDonald County, Missouri. It was built in 1929, so it is 96 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 2,250 by 2044. The structure is 312 ft (95.1 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCedar RD
CrossesIndian Rvr
LocationS 18 T 22 N R 32 W
RouteCounty Highway 0
Coordinates36.6412, -94.42929
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.8 US tons
Inventory rating14.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length312 ft (95.1 m)
Longest span100 ft (30.5 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2024)
Projected traffic2,250 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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$3.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cedar RD over Indian Rvr built?

It was built in 1929, making it 96 years old in 2025.

What condition is Cedar RD over Indian Rvr 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 February 2024.

How much traffic does Cedar RD over Indian Rvr carry?

About 1,500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Cedar RD over Indian Rvr?

The structure is 312 ft (95.1 m) long with a longest span of 100 ft (30.5 m) and a deck 23 ft wide.

Who owns Cedar RD over Indian Rvr?

It is owned by the County Highway Agency.