US Bridges

Simeon Bunker St. over Canal

Fair

St. Charles County, Missouri · S 1000 T 47 N R 5 E · Structure no. 34637

Built
2009
16 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
400
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Simeon Bunker St. over Canal is a steel stringer/multi-beam or girder carrying Simeon Bunker St. over Canal in St. Charles County, Missouri. It was built in 2009, so it is 16 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 400 vehicles a day, roughly 2% of them trucks, projected to reach 620 by 2044. The structure is 50 ft (15.2 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSimeon Bunker St.
CrossesCanal
LocationS 1000 T 47 N R 5 E
RouteCity Street 0
CountySt. Charles County
StateMissouri
Coordinates38.83046, -90.48764
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.3 US tons
Inventory rating55.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic620 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Simeon Bunker St. over Canal built?

It was built in 2009, making it 16 years old in 2025.

What condition is Simeon Bunker St. over Canal 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 January 2024.

How much traffic does Simeon Bunker St. over Canal carry?

About 400 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Simeon Bunker St. over Canal?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns Simeon Bunker St. over Canal?

It is owned by the City or Municipal Highway Agency.