US Bridges

HWY 407 over Tibbey Creek

Good

Attala County, Mississippi · Sec 25 T16N R 9E · Structure no. SA040000000A179

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
380 ft
6 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

HWY 407 over Tibbey Creek is a prestressed concrete stringer/multi-beam or girder carrying HWY 407 over Tibbey Creek in Attala County, Mississippi. It was built in 2020, so it is 5 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 150 by 2044. The structure is 380 ft (115.8 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHWY 407
CrossesTibbey Creek
LocationSec 25 T16N R 9E
RouteCounty Highway 407
Coordinates33.2136, -89.32672
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length380 ft (115.8 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 407 over Tibbey Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is HWY 407 over Tibbey Creek 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 September 2024.

How much traffic does HWY 407 over Tibbey Creek carry?

About 100 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is HWY 407 over Tibbey Creek?

The structure is 380 ft (115.8 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns HWY 407 over Tibbey Creek?

It is owned by the County Highway Agency.