US Bridges

W 140 Pl over E Fk Big Muddy CR

PoorPosted for load

Harrison County, Missouri · S 24 T 66 N R 29 W · Structure no. 16695

Built
1972
53 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

W 140 Pl over E Fk Big Muddy CR is a steel stringer/multi-beam or girder carrying W 140 Pl over E Fk Big Muddy CR in Harrison County, Missouri. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 30 ft (9.1 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesW 140 Pl
CrossesE Fk Big Muddy CR
LocationS 24 T 66 N R 29 W
RouteCounty Highway 129
Coordinates40.51438, -94.13062
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
Deck7 GoodSome minor problems.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.9 US tons
Inventory rating10.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$289,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was W 140 Pl over E Fk Big Muddy CR built?

It was built in 1972, making it 53 years old in 2025.

What condition is W 140 Pl over E Fk Big Muddy 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 March 2024.

How much traffic does W 140 Pl over E Fk Big Muddy CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is W 140 Pl over E Fk Big Muddy CR?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 14 ft wide.

Who owns W 140 Pl over E Fk Big Muddy CR?

It is owned by the County Highway Agency.