US Bridges

SR 363 over Brock Creek

Good

Lee County, Mississippi · 0.2 MI E Natchez Trace · Structure no. 310036304101840

Built
1959
66 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 363 over Brock Creek is a concrete culvert carrying SR 363 over Brock Creek in Lee County, Mississippi. It was built in 1959, so it is 66 years old, older 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 2,100 vehicles a day, roughly 11% of them trucks, projected to reach 2,100 by 2043. The structure is 33 ft (10 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 363
CrossesBrock Creek
Location0.2 MI E Natchez Trace
RouteState Highway 363
Coordinates34.37957, -88.6562
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length33 ft (10 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,100 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR 363 over Brock Creek built?

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

What condition is SR 363 over Brock 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 2024.

How much traffic does SR 363 over Brock Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 363 over Brock Creek?

The structure is 33 ft (10 m) long with a longest span of 16 ft (4.9 m).

Who owns SR 363 over Brock Creek?

It is owned by the State Highway Agency.