US Bridges

Rt Nn S over Noix CR

Fair

Pike County, Missouri · S 25 T 54 N R 2 W · Structure no. 2665

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
186 ft
4 main spans
Daily traffic
1,053
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Nn S over Noix CR is a steel continuous stringer/multi-beam or girder carrying Rt Nn S over Noix CR in Pike County, Missouri. It was built in 1973, so it is 52 years old, older 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 5 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 1,053 vehicles a day, roughly 11% of them trucks, projected to reach 1,527 by 2044. The structure is 186 ft (56.7 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesRt Nn S
CrossesNoix CR
LocationS 25 T 54 N R 2 W
RouteState Highway 0NN
Coordinates39.42218, -91.07387
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length186 ft (56.7 m)
Longest span52 ft (15.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,053 (2024)
Projected traffic1,527 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Nn S over Noix CR built?

It was built in 1973, making it 52 years old in 2025.

What condition is Rt Nn S over Noix 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 December 2024.

How much traffic does Rt Nn S over Noix CR carry?

About 1,053 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Nn S over Noix CR?

The structure is 186 ft (56.7 m) long with a longest span of 52 ft (15.8 m) and a deck 31 ft wide.

Who owns Rt Nn S over Noix CR?

It is owned by the State Highway Agency.