US Bridges

240 TH ST over Br of Muddy CR

Fair

Gentry County, Missouri · S 5 T 64 N R 30 W · Structure no. 16001

Built
1940
85 years old, rebuilt 1987
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

240 TH ST over Br of Muddy CR is a steel stringer/multi-beam or girder carrying 240 TH ST over Br of Muddy CR in Gentry County, Missouri. It was built in 1940 and reconstructed in 1987, so it is 85 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2044. The structure is 35 ft (10.7 m) long and 16 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries240 TH ST
CrossesBr of Muddy CR
LocationS 5 T 64 N R 30 W
RouteCounty Highway 106
CountyGentry County
StateMissouri
Coordinates40.37176, -94.29864
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$211,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 240 TH ST over Br of Muddy CR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1987.

What condition is 240 TH ST over Br of Muddy CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does 240 TH ST over Br of Muddy CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 240 TH ST over Br of Muddy CR?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 16 ft wide.

Who owns 240 TH ST over Br of Muddy CR?

It is owned by the County Highway Agency.