US Bridges

County RD #503 over Br Lit ST Francis

PoorPosted for load

Madison County, Missouri · S 23 T 33 N R 6 E · Structure no. 13837

Built
1933
92 years old, rebuilt 1980
Condition
Poor
inspected December 2024
Type
Slab
Concrete
Length
26 ft
2 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD #503 over Br Lit ST Francis is a concrete slab carrying County RD #503 over Br Lit ST Francis in Madison County, Missouri. It was built in 1933 and reconstructed in 1980, so it is 92 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2044. The structure is 26 ft (7.9 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD #503
CrossesBr Lit ST Francis
LocationS 23 T 33 N R 6 E
RouteCounty Highway 49
Coordinates37.52998, -90.35527
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating21.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length26 ft (7.9 m)
Longest span12 ft (3.8 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic39 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD #503 over Br Lit ST Francis built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1980.

What condition is County RD #503 over Br Lit ST Francis in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does County RD #503 over Br Lit ST Francis carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD #503 over Br Lit ST Francis?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.8 m) and a deck 29 ft wide.

Who owns County RD #503 over Br Lit ST Francis?

It is owned by the County Highway Agency.