US Bridges

Rt Bb E over ST Francis Rvr

Fair

Dunklin County, Missouri · S 10 T 20 N R 9 E · Structure no. 4919

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
549 ft
3 main spans
Daily traffic
505
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb E over ST Francis Rvr is a steel continuous stringer/multi-beam or girder carrying Rt Bb E over ST Francis Rvr in Dunklin County, Missouri. It was built in 1964, so it is 61 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 505 vehicles a day, roughly 9% of them trucks, projected to reach 707 by 2044. The structure is 549 ft (167.2 m) long and 30 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesRt Bb E
CrossesST Francis Rvr
LocationS 10 T 20 N R 9 E
RouteState Highway 0BB
CountyDunklin County
StateMissouri
Coordinates36.3969, -90.07791
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadH 20
Structure length549 ft (167.2 m)
Longest span112 ft (34.1 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic505 (2024)
Projected traffic707 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Bb E over ST Francis Rvr built?

It was built in 1964, making it 61 years old in 2025.

What condition is Rt Bb E over 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 July 2024.

How much traffic does Rt Bb E over ST Francis Rvr carry?

About 505 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt Bb E over ST Francis Rvr?

The structure is 549 ft (167.2 m) long with a longest span of 112 ft (34.1 m) and a deck 30 ft wide.

Who owns Rt Bb E over ST Francis Rvr?

It is owned by the State Highway Agency.