US Bridges

Is 49 S over N Fk Big Deer CR

Fair

Bates County, Missouri · S 27 T 42 N R 31 W · Structure no. 1818

Built
1969
56 years old, rebuilt 2011
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
20,604
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 S over N Fk Big Deer CR is a concrete continuous culvert carrying Is 49 S over N Fk Big Deer CR in Bates County, Missouri. It was built in 1969 and reconstructed in 2011, so it is 56 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 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 20,604 vehicles a day, roughly 35% of them trucks, projected to reach 36,057 by 2044. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 S
CrossesN Fk Big Deer CR
LocationS 27 T 42 N R 31 W
RouteInterstate 49
Coordinates38.41297, -94.3437
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,604 (2024)
Projected traffic36,057 by 2044
Trucks35%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 49 S over N Fk Big Deer CR built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2011.

What condition is Is 49 S over N Fk Big Deer 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 March 2024.

How much traffic does Is 49 S over N Fk Big Deer CR carry?

About 20,604 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is Is 49 S over N Fk Big Deer CR?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.4 m).

Who owns Is 49 S over N Fk Big Deer CR?

It is owned by the State Highway Agency.