US Bridges

Co.Road 100 over Toby Tubby

Good

Lafayette County, Mississippi · Sec 3 T 8S R 4W · Structure no. SA360000000A058

Built
2019
6 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
333 ft
6 main spans
Daily traffic
510
2022 count
Owner
County
County Highway Agency

About this bridge

Co.Road 100 over Toby Tubby is a prestressed concrete stringer/multi-beam or girder carrying Co.Road 100 over Toby Tubby in Lafayette County, Mississippi. It was built in 2019, so it is 6 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 510 vehicles a day, roughly 8% of them trucks, projected to reach 765 by 2042. The structure is 333 ft (101.5 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCo.Road 100
CrossesToby Tubby
LocationSec 3 T 8S R 4W
RouteCounty Highway 29
Coordinates34.42206, -89.61433
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length333 ft (101.5 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2022)
Projected traffic765 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Co.Road 100 over Toby Tubby built?

It was built in 2019, making it 6 years old in 2025.

What condition is Co.Road 100 over Toby Tubby in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Co.Road 100 over Toby Tubby carry?

About 510 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Co.Road 100 over Toby Tubby?

The structure is 333 ft (101.5 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns Co.Road 100 over Toby Tubby?

It is owned by the County Highway Agency.