US Bridges

Rt Bb S over Gabriel Creek

Fair

Morgan County, Missouri · S 13 T 44 N R 19 W · Structure no. 8495

Built
1959
66 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
35 ft
8 main spans
Daily traffic
196
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb S over Gabriel Creek is a steel culvert carrying Rt Bb S over Gabriel Creek in Morgan County, Missouri. It was built in 1959, so it is 66 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 196 vehicles a day, roughly 10% of them trucks, projected to reach 363 by 2044. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesRt Bb S
CrossesGabriel Creek
LocationS 13 T 44 N R 19 W
RouteState Highway 0BB
CountyMorgan County
StateMissouri
Coordinates38.57655, -92.95886
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans8
Design loadH 15
Structure length35 ft (10.7 m)
Longest span3 ft (0.8 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2024)
Projected traffic363 by 2044
Trucks10%
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 S over Gabriel Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Rt Bb S over Gabriel Creek 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 2023.

How much traffic does Rt Bb S over Gabriel Creek carry?

About 196 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Bb S over Gabriel Creek?

The structure is 35 ft (10.7 m) long with a longest span of 3 ft (0.8 m) and a deck 20 ft wide.

Who owns Rt Bb S over Gabriel Creek?

It is owned by the State Highway Agency.