US Bridges

Rt Bb E over Franz Br

Fair

Phelps County, Missouri · S 5 T 37 N R 7 W · Structure no. 7775

Built
1954
71 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
4,927
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb E over Franz Br is a concrete continuous culvert carrying Rt Bb E over Franz Br in Phelps County, Missouri. It was built in 1954, so it is 71 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 6 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 4,927 vehicles a day, roughly 4% of them trucks, projected to reach 7,391 by 2044. The structure is 24 ft (7.4 m) long and 26 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesRt Bb E
CrossesFranz Br
LocationS 5 T 37 N R 7 W
RouteState Highway 0BB
CountyPhelps County
StateMissouri
Coordinates37.95109, -91.71856
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length24 ft (7.4 m)
Longest span9 ft (2.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,927 (2024)
Projected traffic7,391 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Bb E over Franz Br built?

It was built in 1954, making it 71 years old in 2025.

What condition is Rt Bb E over Franz Br 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 May 2023.

How much traffic does Rt Bb E over Franz Br carry?

About 4,927 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rt Bb E over Franz Br?

The structure is 24 ft (7.4 m) long with a longest span of 9 ft (2.7 m) and a deck 26 ft wide.

Who owns Rt Bb E over Franz Br?

It is owned by the State Highway Agency.