US Bridges

US 63 N over Mo 763

Fair

Boone County, Missouri · S 13 T 49 N R 13 W · Structure no. 3316

Built
1992
33 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
328 ft
3 main spans
Daily traffic
6,549
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 N over Mo 763 is a steel continuous stringer/multi-beam or girder carrying US 63 N over Mo 763 in Boone County, Missouri. It was built in 1992, so it is 33 years old, younger 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 6,549 vehicles a day, roughly 18% of them trucks, projected to reach 10,806 by 2044. The structure is 328 ft (100 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 63 N
CrossesMo 763
LocationS 13 T 49 N R 13 W
RouteU.S. Route 63
Coordinates39.0249, -92.32271
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length328 ft (100 m)
Longest span141 ft (43 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,549 (2024)
Projected traffic10,806 by 2044
Trucks18%
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 N over Mo 763 built?

It was built in 1992, making it 33 years old in 2025.

What condition is US 63 N over Mo 763 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 N over Mo 763 carry?

About 6,549 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is US 63 N over Mo 763?

The structure is 328 ft (100 m) long with a longest span of 141 ft (43 m) and a deck 41 ft wide.

Who owns US 63 N over Mo 763?

It is owned by the State Highway Agency.