US Bridges

US 63 N over Katy Trail

Fair

Callaway County, Missouri · S 2465 T 45 N R 11 W · Structure no. 2960

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
307 ft
5 main spans
Daily traffic
12,918
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 N over Katy Trail is a steel continuous stringer/multi-beam or girder carrying US 63 N over Katy Trail in Callaway County, Missouri. It was built in 1976, so it is 49 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 12,918 vehicles a day, roughly 10% of them trucks, projected to reach 23,898 by 2044. The structure is 307 ft (93.6 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 63 N
CrossesKaty Trail
LocationS 2465 T 45 N R 11 W
RouteU.S. Route 63
Coordinates38.63404, -92.19673
Functional classRural Principal Arterial - Other

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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length307 ft (93.6 m)
Longest span75 ft (22.9 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,918 (2024)
Projected traffic23,898 by 2044
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 63 N over Katy Trail built?

It was built in 1976, making it 49 years old in 2025.

What condition is US 63 N over Katy Trail 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 November 2024.

How much traffic does US 63 N over Katy Trail carry?

About 12,918 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 63 N over Katy Trail?

The structure is 307 ft (93.6 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.

Who owns US 63 N over Katy Trail?

It is owned by the State Highway Agency.