US Bridges

County RD SE 1201 over Br Muddy CR

Good

Johnson County, Missouri · S 25 T 45 N R 24 W · Structure no. 33524

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
49
2023 count
Owner
County
County Highway Agency

About this bridge

County RD SE 1201 over Br Muddy CR is a steel stringer/multi-beam or girder carrying County RD SE 1201 over Br Muddy CR in Johnson County, Missouri. It was built in 2010, so it is 15 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 49 vehicles a day, roughly 10% of them trucks, projected to reach 78 by 2043. The structure is 60 ft (18.3 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty RD SE 1201
CrossesBr Muddy CR
LocationS 25 T 45 N R 24 W
RouteCounty Highway 459
CountyJohnson County
StateMissouri
Coordinates38.66367, -93.52654
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2023)
Projected traffic78 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD SE 1201 over Br Muddy CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is County RD SE 1201 over Br Muddy CR 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 December 2024.

How much traffic does County RD SE 1201 over Br Muddy CR carry?

About 49 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD SE 1201 over Br Muddy CR?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 23 ft wide.

Who owns County RD SE 1201 over Br Muddy CR?

It is owned by the County Highway Agency.