US Bridges

US 275 S over Kings Br

Fair

Atchison County, Missouri · S 35 T 67 N R 42 W · Structure no. 5187

Built
1951
74 years old, rebuilt 2009
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
165 ft
3 main spans
Daily traffic
296
2024 count
Owner
State
State Highway Agency

About this bridge

US 275 S over Kings Br is a steel continuous stringer/multi-beam or girder carrying US 275 S over Kings Br in Atchison County, Missouri. It was built in 1951 and reconstructed in 2009, so it is 74 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 296 vehicles a day, roughly 24% of them trucks, projected to reach 385 by 2044. The structure is 165 ft (50.3 m) long and 31 ft wide. If it were closed, the detour would be 49.1 mi (79 km).

CarriesUS 275 S
CrossesKings Br
LocationS 35 T 67 N R 42 W
RouteU.S. Route 275
Coordinates40.57802, -95.63304
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic296 (2024)
Projected traffic385 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.1 mi (79 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 US 275 S over Kings Br built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2009.

What condition is US 275 S over Kings Br 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 September 2023.

How much traffic does US 275 S over Kings Br carry?

About 296 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is US 275 S over Kings Br?

The structure is 165 ft (50.3 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns US 275 S over Kings Br?

It is owned by the State Highway Agency.