US Bridges

SE 12th ST over N Fk Crooked CR

Fair

Grundy County, Missouri · S 27 T 61 N R 23 W · Structure no. 32302

Built
2007
18 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

SE 12th ST over N Fk Crooked CR is a steel stringer/multi-beam or girder carrying SE 12th ST over N Fk Crooked CR in Grundy County, Missouri. It was built in 2007, so it is 18 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 50 ft (15.2 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSE 12th ST
CrossesN Fk Crooked CR
LocationS 27 T 61 N R 23 W
RouteCounty Highway 260
Coordinates40.05416, -93.46681
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.2 US tons
Inventory rating61.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic29 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 SE 12th ST over N Fk Crooked CR built?

It was built in 2007, making it 18 years old in 2025.

What condition is SE 12th ST over N Fk Crooked 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 12th ST over N Fk Crooked CR carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SE 12th ST over N Fk Crooked CR?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns SE 12th ST over N Fk Crooked CR?

It is owned by the County Highway Agency.