US Bridges

SE 30th RD over Muddy Fk Spring Rv

Good

Barton County, Missouri · S 9 T 31 N R 29 W · Structure no. 23339

Built
1990
35 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

SE 30th RD over Muddy Fk Spring Rv is a prestressed concrete tee beam carrying SE 30th RD over Muddy Fk Spring Rv in Barton County, Missouri. It was built in 1990, so it is 35 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2043. The structure is 136 ft (41.5 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSE 30th RD
CrossesMuddy Fk Spring Rv
LocationS 9 T 31 N R 29 W
RouteCounty Highway 404
Coordinates37.45195, -94.12363
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length136 ft (41.5 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic28 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 30th RD over Muddy Fk Spring Rv built?

It was built in 1990, making it 35 years old in 2025.

What condition is SE 30th RD over Muddy Fk Spring Rv in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does SE 30th RD over Muddy Fk Spring Rv carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SE 30th RD over Muddy Fk Spring Rv?

The structure is 136 ft (41.5 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns SE 30th RD over Muddy Fk Spring Rv?

It is owned by the County Highway Agency.