US Bridges

Mo 11 S over Badger CR

Poor

Linn County, Missouri · S 23 T 60 N R 18 W · Structure no. 5799

Built
1934
91 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
3 main spans
Daily traffic
258
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 11 S over Badger CR is a steel stringer/multi-beam or girder carrying Mo 11 S over Badger CR in Linn County, Missouri. It was built in 1934, so it is 91 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 258 vehicles a day, roughly 12% of them trucks, projected to reach 323 by 2044. The structure is 83 ft (25.3 m) long and 23 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesMo 11 S
CrossesBadger CR
LocationS 23 T 60 N R 18 W
RouteState Highway 11
Coordinates39.99934, -92.8736
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length83 ft (25.3 m)
Longest span28 ft (8.4 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic258 (2024)
Projected traffic323 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$594,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 11 S over Badger CR built?

It was built in 1934, making it 91 years old in 2025.

What condition is Mo 11 S over Badger CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Mo 11 S over Badger CR carry?

About 258 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 11 S over Badger CR?

The structure is 83 ft (25.3 m) long with a longest span of 28 ft (8.4 m) and a deck 23 ft wide.

Who owns Mo 11 S over Badger CR?

It is owned by the State Highway Agency.