US Bridges

Rt Bb S over Rooks Br

Fair

Sullivan County, Missouri · S 20 T 64 N R 20 W · Structure no. 7727

Built
1955
70 years old, rebuilt 2019
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
109 ft
3 main spans
Daily traffic
77
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb S over Rooks Br is a steel stringer/multi-beam or girder carrying Rt Bb S over Rooks Br in Sullivan County, Missouri. It was built in 1955 and reconstructed in 2019, so it is 70 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 77 vehicles a day, roughly 17% of them trucks, projected to reach 96 by 2044. The structure is 109 ft (33.2 m) long and 25 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesRt Bb S
CrossesRooks Br
LocationS 20 T 64 N R 20 W
RouteState Highway 0BB
Coordinates40.32979, -93.16901
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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length109 ft (33.2 m)
Longest span49 ft (15 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2024)
Projected traffic96 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 S over Rooks Br built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2019.

What condition is Rt Bb S over Rooks 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 August 2023.

How much traffic does Rt Bb S over Rooks Br carry?

About 77 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Rt Bb S over Rooks Br?

The structure is 109 ft (33.2 m) long with a longest span of 49 ft (15 m) and a deck 25 ft wide.

Who owns Rt Bb S over Rooks Br?

It is owned by the State Highway Agency.