US Bridges

Ofallon RD over Crooked CR

Good

St. Charles County, Missouri · S 1669 T 46 N R 3 E · Structure no. 30128

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
1 main span
Daily traffic
7,100
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ofallon RD over Crooked CR is a steel stringer/multi-beam or girder carrying Ofallon RD over Crooked CR in St. Charles County, Missouri. It was built in 2004, so it is 21 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 7,100 vehicles a day, roughly 2% of them trucks, projected to reach 11,005 by 2044. The structure is 110 ft (33.5 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOfallon RD
CrossesCrooked CR
LocationS 1669 T 46 N R 3 E
RouteCity Street 0
CountySt. Charles County
StateMissouri
Coordinates38.72931, -90.68251
Functional classUrban Minor Arterial

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width55 ft (16.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2024)
Projected traffic11,005 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ofallon RD over Crooked CR built?

It was built in 2004, making it 21 years old in 2025.

What condition is Ofallon RD over Crooked 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 February 2024.

How much traffic does Ofallon RD over Crooked CR carry?

About 7,100 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Ofallon RD over Crooked CR?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 55 ft wide.

Who owns Ofallon RD over Crooked CR?

It is owned by the City or Municipal Highway Agency.