US Bridges

Rt Nn E over Castile CR

Good

Clinton County, Missouri · S 9 T 56 N R 32 W · Structure no. 36916

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
159 ft
3 main spans
Daily traffic
272
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Nn E over Castile CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt Nn E over Castile CR in Clinton County, Missouri. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 272 vehicles a day, roughly 9% of them trucks, projected to reach 354 by 2044. The structure is 159 ft (48.6 m) long and 27 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesRt Nn E
CrossesCastile CR
LocationS 9 T 56 N R 32 W
RouteState Highway 0NN
Coordinates39.68145, -94.5029
Functional classRural Major 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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length159 ft (48.6 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic272 (2024)
Projected traffic354 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Nn E over Castile CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is Rt Nn E over Castile 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 October 2024.

How much traffic does Rt Nn E over Castile CR carry?

About 272 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt Nn E over Castile CR?

The structure is 159 ft (48.6 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns Rt Nn E over Castile CR?

It is owned by the State Highway Agency.