US Bridges

CR 407 over Topisaw Creek

Good

Chickasaw County, Mississippi · Sec 22 T15S R 1E · Structure no. SA090000000A146

Built
2021
4 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
1 main span
Daily traffic
37
2022 count
Owner
County
County Highway Agency

About this bridge

CR 407 over Topisaw Creek is a prestressed concrete stringer/multi-beam or girder carrying CR 407 over Topisaw Creek in Chickasaw County, Mississippi. It was built in 2021, so it is 4 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 37 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2040. The structure is 180 ft (54.9 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR 407
CrossesTopisaw Creek
LocationSec 22 T15S R 1E
RouteCounty Highway 812
Coordinates33.75795, -89.17869
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 inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating56.1 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length180 ft (54.9 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 traffic37 (2022)
Projected traffic45 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 CR 407 over Topisaw Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is CR 407 over Topisaw 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 November 2022.

How much traffic does CR 407 over Topisaw Creek carry?

About 37 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is CR 407 over Topisaw Creek?

The structure is 180 ft (54.9 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns CR 407 over Topisaw Creek?

It is owned by the County Highway Agency.