US Bridges

Loughboro RD over Br of ST Francis R

Fair

St. Francois County, Missouri · S 10 T 35 N R 4 E · Structure no. 18684

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
24 ft
2 main spans
Daily traffic
65
2023 count
Owner
County
County Highway Agency

About this bridge

Loughboro RD over Br of ST Francis R is a concrete slab carrying Loughboro RD over Br of ST Francis R in St. Francois County, Missouri. It was built in 1940, so it is 85 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 65 vehicles a day, roughly 10% of them trucks, projected to reach 98 by 2043. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesLoughboro RD
CrossesBr of ST Francis R
LocationS 10 T 35 N R 4 E
RouteCounty Highway 195
CountySt. Francois County
StateMissouri
Coordinates37.76442, -90.58291
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2023)
Projected traffic98 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Loughboro RD over Br of ST Francis R built?

It was built in 1940, making it 85 years old in 2025.

What condition is Loughboro RD over Br of ST Francis R 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 December 2024.

How much traffic does Loughboro RD over Br of ST Francis R carry?

About 65 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Loughboro RD over Br of ST Francis R?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 24 ft wide.

Who owns Loughboro RD over Br of ST Francis R?

It is owned by the County Highway Agency.