US Bridges

Heritage Crossing over Mo 94

Good

St. Charles County, Missouri · S 10 T 46 N R 4 E · Structure no. 11953

Built
2000
25 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
188 ft
2 main spans
Daily traffic
3,182
2024 count
Owner
State
State Highway Agency

About this bridge

Heritage Crossing over Mo 94 is a steel continuous stringer/multi-beam or girder carrying Heritage Crossing over Mo 94 in St. Charles County, Missouri. It was built in 2000, so it is 25 years old, younger 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 3,182 vehicles a day, roughly 5% of them trucks, projected to reach 6,205 by 2044. The structure is 188 ft (57.3 m) long and 77 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesHeritage Crossing
CrossesMo 94
LocationS 10 T 46 N R 4 E
RouteCity Street 0
CountySt. Charles County
StateMissouri
Coordinates38.75293, -90.55378
Functional classUrban Collector

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 rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span100 ft (30.4 m)
Deck width77 ft (23.6 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,182 (2024)
Projected traffic6,205 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Heritage Crossing over Mo 94 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Heritage Crossing over Mo 94 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 Heritage Crossing over Mo 94 carry?

About 3,182 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Heritage Crossing over Mo 94?

The structure is 188 ft (57.3 m) long with a longest span of 100 ft (30.4 m) and a deck 77 ft wide.

Who owns Heritage Crossing over Mo 94?

It is owned by the State Highway Agency.