US Bridges

Mo 221 S over US 67

Fair

St. Francois County, Missouri · S 298 T 35 N R 5 E · Structure no. 247

Built
1963
62 years old, rebuilt 2011
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
4 main spans
Daily traffic
7,666
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 221 S over US 67 is a steel continuous stringer/multi-beam or girder carrying Mo 221 S over US 67 in St. Francois County, Missouri. It was built in 1963 and reconstructed in 2011, so it is 62 years old, older 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 7,666 vehicles a day, roughly 7% of them trucks, projected to reach 13,032 by 2044. The structure is 250 ft (76.3 m) long and 57 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMo 221 S
CrossesUS 67
LocationS 298 T 35 N R 5 E
RouteState Highway 221
Coordinates37.77181, -90.44516
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length250 ft (76.3 m)
Longest span75 ft (22.9 m)
Deck width57 ft (17.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,666 (2024)
Projected traffic13,032 by 2044
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Mo 221 S over US 67 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2011.

What condition is Mo 221 S over US 67 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 October 2024.

How much traffic does Mo 221 S over US 67 carry?

About 7,666 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 221 S over US 67?

The structure is 250 ft (76.3 m) long with a longest span of 75 ft (22.9 m) and a deck 57 ft wide.

Who owns Mo 221 S over US 67?

It is owned by the State Highway Agency.