US Bridges

Rt Ww E over Mussel Fk

FairPosted for load

Linn County, Missouri · S 25 T 57 N R 18 W · Structure no. 6993

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
139 ft
3 main spans
Daily traffic
213
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Ww E over Mussel Fk is a steel stringer/multi-beam or girder carrying Rt Ww E over Mussel Fk in Linn County, Missouri. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 213 vehicles a day, roughly 14% of them trucks, projected to reach 266 by 2044. The structure is 139 ft (42.4 m) long and 22 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesRt Ww E
CrossesMussel Fk
LocationS 25 T 57 N R 18 W
RouteState Highway 0WW
CountyLinn County
StateMissouri
Coordinates39.71483, -92.86551
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.8 US tons
Inventory rating9.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length139 ft (42.4 m)
Longest span51 ft (15.5 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic213 (2024)
Projected traffic266 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Ww E over Mussel Fk built?

It was built in 1957, making it 68 years old in 2025.

What condition is Rt Ww E over Mussel Fk 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 September 2024.

How much traffic does Rt Ww E over Mussel Fk carry?

About 213 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Rt Ww E over Mussel Fk?

The structure is 139 ft (42.4 m) long with a longest span of 51 ft (15.5 m) and a deck 22 ft wide.

Who owns Rt Ww E over Mussel Fk?

It is owned by the State Highway Agency.