US Bridges

US 63 S over Mo 740

Fair

Boone County, Missouri · S 20 T 48 N R 12 W · Structure no. 2891

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
222 ft
4 main spans
Daily traffic
38,962
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 S over Mo 740 is a concrete continuous slab carrying US 63 S over Mo 740 in Boone 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 38,962 vehicles a day, roughly 10% of them trucks, projected to reach 64,287 by 2044. The structure is 222 ft (67.7 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 63 S
CrossesMo 740
LocationS 20 T 48 N R 12 W
RouteU.S. Route 63
Coordinates38.93216, -92.29508
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span65 ft (19.8 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,962 (2024)
Projected traffic64,287 by 2044
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 S over Mo 740 built?

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

What condition is US 63 S over Mo 740 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 63 S over Mo 740 carry?

About 38,962 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 63 S over Mo 740?

The structure is 222 ft (67.7 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.

Who owns US 63 S over Mo 740?

It is owned by the State Highway Agency.