US Bridges

Is 49 S over Bates CO Drain Dtc

Fair

Bates County, Missouri · S 29 T 39 N R 31 W · Structure no. 931

Built
1966
59 years old, rebuilt 2020
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
798 ft
3 main spans
Daily traffic
6,951
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 S over Bates CO Drain Dtc is a steel continuous stringer/multi-beam or girder carrying Is 49 S over Bates CO Drain Dtc in Bates County, Missouri. It was built in 1966 and reconstructed in 2020, so it is 59 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 6,951 vehicles a day, roughly 36% of them trucks, projected to reach 12,164 by 2044. The structure is 798 ft (243.2 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 S
CrossesBates CO Drain Dtc
LocationS 29 T 39 N R 31 W
RouteInterstate 49
Coordinates38.13423, -94.35062
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating29.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 20
Structure length798 ft (243.2 m)
Longest span160 ft (48.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,951 (2024)
Projected traffic12,164 by 2044
Trucks36%
Lanes on structure2
Traffic directionOne-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 Bates CO Drain Dtc built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2020.

What condition is Is 49 S over Bates CO Drain Dtc 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 October 2023.

How much traffic does Is 49 S over Bates CO Drain Dtc carry?

About 6,951 vehicles per day (2024 count), of which roughly 36% are trucks.

How long is Is 49 S over Bates CO Drain Dtc?

The structure is 798 ft (243.2 m) long with a longest span of 160 ft (48.8 m) and a deck 35 ft wide.

Who owns Is 49 S over Bates CO Drain Dtc?

It is owned by the State Highway Agency.