US Bridges

Mo 221 N over Lit Doe Run CR

Good

St. Francois County, Missouri · S 16 T 35 N R 5 E · Structure no. 3848

Built
1987
38 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
24 ft
3 main spans
Daily traffic
8,254
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 221 N over Lit Doe Run CR is a concrete continuous culvert carrying Mo 221 N over Lit Doe Run CR in St. Francois County, Missouri. It was built in 1987, so it is 38 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 8,254 vehicles a day, roughly 5% of them trucks, projected to reach 14,032 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesMo 221 N
CrossesLit Doe Run CR
LocationS 16 T 35 N R 5 E
RouteState Highway 221
CountySt. Francois County
StateMissouri
Coordinates37.74513, -90.49441
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,254 (2024)
Projected traffic14,032 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 221 N over Lit Doe Run CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is Mo 221 N over Lit Doe Run 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 March 2023.

How much traffic does Mo 221 N over Lit Doe Run CR carry?

About 8,254 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 221 N over Lit Doe Run CR?

The structure is 24 ft (7.3 m) long with a longest span of 9 ft (2.6 m).

Who owns Mo 221 N over Lit Doe Run CR?

It is owned by the State Highway Agency.