US Bridges

242nd ST over Br Big Muddy CR

Fair

Daviess County, Missouri · S 20 T 61 N R 27 W · Structure no. 22983

Built
1925
100 years old, rebuilt 1992
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

242nd ST over Br Big Muddy CR is a steel stringer/multi-beam or girder carrying 242nd ST over Br Big Muddy CR in Daviess County, Missouri. It was built in 1925 and reconstructed in 1992, so it is 100 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 6 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries242nd ST
CrossesBr Big Muddy CR
LocationS 20 T 61 N R 27 W
RouteCounty Highway 384
CountyDaviess County
StateMissouri
Coordinates40.06574, -93.9535
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 242nd ST over Br Big Muddy CR built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1992.

What condition is 242nd ST over Br Big 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 February 2024.

How much traffic does 242nd ST over Br Big Muddy CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 242nd ST over Br Big Muddy CR?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns 242nd ST over Br Big Muddy CR?

It is owned by the County Highway Agency.