US Bridges

Rt Zz E over Lit Crooked CR

Good

Bollinger County, Missouri · S 35 T 31 N R 9 E · Structure no. 7405

Built
1961
64 years old, rebuilt 2018
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 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 continuous stringer/multi-beam or girder carrying Rt Zz E over Lit Crooked CR in Bollinger County, Missouri. It was built in 1961 and reconstructed in 2018, 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 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 246 vehicles a day, roughly 7% of them trucks, projected to reach 369 by 2044. The structure is 185 ft (56.5 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Zz E
CrossesLit Crooked CR
LocationS 35 T 31 N R 9 E
RouteState Highway 0ZZ
Coordinates37.31681, -90.02947
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length185 ft (56.5 m)
Longest span70 ft (21.3 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic246 (2024)
Projected traffic369 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
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. It was reconstructed in 2018.

What condition is Rt Zz E over Lit Crooked 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 2023.

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 185 ft (56.5 m) long with a longest span of 70 ft (21.3 m) and a deck 25 ft wide.

Who owns Rt Zz E over Lit Crooked CR?

It is owned by the State Highway Agency.