US Bridges

US 36 W over Cst Gantz ST

Good

Macon County, Missouri · S 16 T 57 N R 14 W · Structure no. 1728

Built
1971
54 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
5,537
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 W over Cst Gantz ST is a concrete continuous slab carrying US 36 W over Cst Gantz ST in Macon County, Missouri. It was built in 1971, so it is 54 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,537 vehicles a day, roughly 31% of them trucks, projected to reach 9,690 by 2044. The structure is 122 ft (37.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 36 W
CrossesCst Gantz ST
LocationS 16 T 57 N R 14 W
RouteU.S. Route 36
Coordinates39.75209, -92.47395
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length122 ft (37.2 m)
Longest span51 ft (15.5 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,537 (2024)
Projected traffic9,690 by 2044
Trucks31%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 36 W over Cst Gantz ST built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 36 W over Cst Gantz ST in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does US 36 W over Cst Gantz ST carry?

About 5,537 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is US 36 W over Cst Gantz ST?

The structure is 122 ft (37.2 m) long with a longest span of 51 ft (15.5 m) and a deck 41 ft wide.

Who owns US 36 W over Cst Gantz ST?

It is owned by the State Highway Agency.