US Bridges

Or 70 E over Belleau CR

Fair

St. Charles County, Missouri · S 28 T 47 N R 3 W · Structure no. 11903

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
2,904
2024 count
Owner
State
State Highway Agency

About this bridge

Or 70 E over Belleau CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Or 70 E over Belleau CR in St. Charles County, Missouri. It was built in 1999, so it is 26 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 2,904 vehicles a day, roughly 15% of them trucks, projected to reach 5,663 by 2044. The structure is 203 ft (61.9 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesOr 70 E
CrossesBelleau CR
LocationS 28 T 47 N R 3 W
RouteState Highway 70
CountySt. Charles County
StateMissouri
Coordinates38.80382, -90.67644
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating65.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length203 ft (61.9 m)
Longest span74 ft (22.5 m)
Deck width56 ft (17 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,904 (2024)
Projected traffic5,663 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 70 E over Belleau CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Or 70 E over Belleau CR 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 Or 70 E over Belleau CR carry?

About 2,904 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Or 70 E over Belleau CR?

The structure is 203 ft (61.9 m) long with a longest span of 74 ft (22.5 m) and a deck 56 ft wide.

Who owns Or 70 E over Belleau CR?

It is owned by the State Highway Agency.