US Bridges

Rt Zz E over Lit Crooked CR

PoorPosted for load

Bollinger County, Missouri · S 34 T 31 N R 9 E · Structure no. 7404

Built
1961
64 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
3 main spans
Daily traffic
246
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Zz E over Lit Crooked CR is a steel stringer/multi-beam or girder carrying Rt Zz E over Lit Crooked CR in Bollinger County, Missouri. It was built in 1961, so it is 64 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 3 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. Its operating status is: posted for load restriction.

It carries about 246 vehicles a day, roughly 7% of them trucks, projected to reach 369 by 2044. The structure is 127 ft (38.7 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Zz E
CrossesLit Crooked CR
LocationS 34 T 31 N R 9 E
RouteState Highway 0ZZ
Coordinates37.31744, -90.04902
Functional classRural Minor 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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.8 US tons
Inventory rating13.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length127 ft (38.7 m)
Longest span51 ft (15.6 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic246 (2024)
Projected traffic369 by 2044
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Zz E over Lit Crooked CR built?

It was built in 1961, making it 64 years old in 2025.

What condition is Rt Zz E over Lit Crooked 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 December 2024.

How much traffic does Rt Zz E over Lit Crooked CR carry?

About 246 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt Zz E over Lit Crooked CR?

The structure is 127 ft (38.7 m) long with a longest span of 51 ft (15.6 m) and a deck 22 ft wide.

Who owns Rt Zz E over Lit Crooked CR?

It is owned by the State Highway Agency.