US Bridges

Grover RD over Turkey CR

Poor

Linn County, Missouri · S 33 T 58 N R 20 W · Structure no. 22444

Built
1950
75 years old, rebuilt 1989
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Grover RD over Turkey CR is a steel stringer/multi-beam or girder carrying Grover RD over Turkey CR in Linn County, Missouri. It was built in 1950 and reconstructed in 1989, so it is 75 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 49 ft (14.9 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGrover RD
CrossesTurkey CR
LocationS 33 T 58 N R 20 W
RouteCounty Highway 356
Coordinates39.79401, -93.14517
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$272,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Grover RD over Turkey CR built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1989.

What condition is Grover RD over Turkey 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 Grover RD over Turkey CR carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Grover RD over Turkey CR?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 18 ft wide.

Who owns Grover RD over Turkey CR?

It is owned by the County Highway Agency.