US Bridges

SE Maga LN over Trib of Muddy CR

Fair

Grundy County, Missouri · S 20 T 60 N R 22 W · Structure no. 28318

Built
1998
27 years old
Condition
Fair
inspected January 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

SE Maga LN over Trib of Muddy CR is a steel stringer/multi-beam or girder carrying SE Maga LN over Trib of Muddy CR in Grundy County, Missouri. It was built in 1998, so it is 27 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 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 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSE Maga LN
CrossesTrib of Muddy CR
LocationS 20 T 60 N R 22 W
RouteCounty Highway 296
Coordinates40.00326, -93.39881
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
Deck8 Very GoodNo problems noted.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SE Maga LN over Trib of Muddy CR built?

It was built in 1998, making it 27 years old in 2025.

What condition is SE Maga LN over Trib 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 2024.

How much traffic does SE Maga LN over Trib of Muddy CR carry?

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

How long is SE Maga LN over Trib of Muddy CR?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns SE Maga LN over Trib of Muddy CR?

It is owned by the County Highway Agency.