US Bridges

Rt N S over Lit ST Francis Rvr

Fair

St. Francois County, Missouri · S 17 T 35 N R 4 E · Structure no. 5798

Built
1933
92 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
150 ft
2 main spans
Daily traffic
2,135
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Lit ST Francis Rvr is a concrete tee beam carrying Rt N S over Lit ST Francis Rvr in St. Francois County, Missouri. It was built in 1933, 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 fair condition with a lowest component rating of 5 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 2,135 vehicles a day, roughly 17% of them trucks, projected to reach 3,416 by 2044. The structure is 150 ft (45.7 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRt N S
CrossesLit ST Francis Rvr
LocationS 17 T 35 N R 4 E
RouteState Highway 0N
Coordinates37.7442, -90.61479
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 15
Structure length150 ft (45.7 m)
Longest span52 ft (15.9 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,135 (2024)
Projected traffic3,416 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt N S over Lit ST Francis Rvr built?

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

What condition is Rt N S over Lit ST Francis Rvr 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 Rt N S over Lit ST Francis Rvr carry?

About 2,135 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Rt N S over Lit ST Francis Rvr?

The structure is 150 ft (45.7 m) long with a longest span of 52 ft (15.9 m) and a deck 25 ft wide.

Who owns Rt N S over Lit ST Francis Rvr?

It is owned by the State Highway Agency.