US Bridges

County RD 96 over ST Francois Rvr

Fair

Iron County, Missouri · S 3 T 34 N R 3 E · Structure no. 28374

Built
1923
102 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 96 over ST Francois Rvr is a concrete slab carrying County RD 96 over ST Francois Rvr in Iron County, Missouri. It was built in 1923, so it is 102 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2043. The structure is 22 ft (6.7 m) long and 21 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesCounty RD 96
CrossesST Francois Rvr
LocationS 3 T 34 N R 3 E
RouteCounty Highway 174
Coordinates37.6736, -90.6914
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating31.7 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic240 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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$239,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 96 over ST Francois Rvr built?

It was built in 1923, making it 102 years old in 2025.

What condition is County RD 96 over ST Francois 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 February 2025.

How much traffic does County RD 96 over ST Francois Rvr carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 96 over ST Francois Rvr?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 21 ft wide.

Who owns County RD 96 over ST Francois Rvr?

It is owned by the County Highway Agency.