US Bridges

SW Bluff RD over Br of Old Muddy Lk

Fair

Buchanan County, Missouri · S 28 T 56 N R 36 W · Structure no. 19352

Built
1994
31 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

SW Bluff RD over Br of Old Muddy Lk is a steel stringer/multi-beam or girder carrying SW Bluff RD over Br of Old Muddy Lk in Buchanan County, Missouri. It was built in 1994, so it is 31 years old, younger 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 36 ft (11 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSW Bluff RD
CrossesBr of Old Muddy Lk
LocationS 28 T 56 N R 36 W
RouteCounty Highway 218
Coordinates39.64449, -94.94155
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.5 US tons
Inventory rating38.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Bluff RD over Br of Old Muddy Lk built?

It was built in 1994, making it 31 years old in 2025.

What condition is SW Bluff RD over Br of Old Muddy Lk 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 SW Bluff RD over Br of Old Muddy Lk carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SW Bluff RD over Br of Old Muddy Lk?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns SW Bluff RD over Br of Old Muddy Lk?

It is owned by the County Highway Agency.