US Bridges

Executive Centre P over Spencer CR

Good

St. Charles County, Missouri · S 30 T 47 N R 4 E · Structure no. 31991

Built
2005
20 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
1,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Executive Centre P over Spencer CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Executive Centre P over Spencer CR in St. Charles County, Missouri. It was built in 2005, so it is 20 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 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,550 by 2044. The structure is 117 ft (35.7 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesExecutive Centre P
CrossesSpencer CR
LocationS 30 T 47 N R 4 E
RouteCity Street 388
CountySt. Charles County
StateMissouri
Coordinates38.7948, -90.6032
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating68.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length117 ft (35.7 m)
Longest span49 ft (14.9 m)
Deck width63 ft (19.3 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,550 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Executive Centre P over Spencer CR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Executive Centre P over Spencer CR 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 January 2024.

How much traffic does Executive Centre P over Spencer CR carry?

About 1,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Executive Centre P over Spencer CR?

The structure is 117 ft (35.7 m) long with a longest span of 49 ft (14.9 m) and a deck 63 ft wide.

Who owns Executive Centre P over Spencer CR?

It is owned by the City or Municipal Highway Agency.