US Bridges

County RD 422 over Indian CR

Poor

Perry County, Missouri · S 26 T 34 N R 12 E · Structure no. 18812

Built
1937
88 years old
Condition
Poor
inspected January 2025
Type
Slab
Concrete Continuous
Length
75 ft
8 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 422 over Indian CR is a concrete continuous slab carrying County RD 422 over Indian CR in Perry County, Missouri. It was built in 1937, so it is 88 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 47 by 2043. The structure is 75 ft (22.9 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 422
CrossesIndian CR
LocationS 26 T 34 N R 12 E
RouteCounty Highway 200
Coordinates37.62285, -89.67993
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadOther
Structure length75 ft (22.9 m)
Longest span9 ft (2.7 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic47 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$566,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 422 over Indian CR built?

It was built in 1937, making it 88 years old in 2025.

What condition is County RD 422 over Indian 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 January 2025.

How much traffic does County RD 422 over Indian CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 422 over Indian CR?

The structure is 75 ft (22.9 m) long with a longest span of 9 ft (2.7 m) and a deck 16 ft wide.

Who owns County RD 422 over Indian CR?

It is owned by the County Highway Agency.