US Bridges

Mexico Gravel RD E over US 63

Fair

Boone County, Missouri · S 33 T 49 N R 12 W · Structure no. 3358

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
280 ft
2 main spans
Daily traffic
4,424
2024 count
Owner
State
State Highway Agency

About this bridge

Mexico Gravel RD E over US 63 is a prestressed concrete continuous stringer/multi-beam or girder carrying Mexico Gravel RD E over US 63 in Boone County, Missouri. It was built in 1984, so it is 41 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 4,424 vehicles a day, roughly 5% of them trucks, projected to reach 7,742 by 2044. The structure is 280 ft (85.3 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMexico Gravel RD E
CrossesUS 63
LocationS 33 T 49 N R 12 W
RouteCity Street 0
CountyBoone County
StateMissouri
Coordinates38.98115, -92.28106
Functional classUrban 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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.5 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length280 ft (85.3 m)
Longest span121 ft (36.9 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,424 (2024)
Projected traffic7,742 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Mexico Gravel RD E over US 63 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mexico Gravel RD E over US 63 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 Mexico Gravel RD E over US 63 carry?

About 4,424 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mexico Gravel RD E over US 63?

The structure is 280 ft (85.3 m) long with a longest span of 121 ft (36.9 m) and a deck 41 ft wide.

Who owns Mexico Gravel RD E over US 63?

It is owned by the State Highway Agency.