US Bridges

US 45A over Tubbalubba Creek Relief

Good

Monroe County, Mississippi · 5.1 MI N SR 41 · Structure no. 220004504820170

Built
1996
29 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
16,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 45A over Tubbalubba Creek Relief is a concrete culvert carrying US 45A over Tubbalubba Creek Relief in Monroe County, Mississippi. It was built in 1996, so it is 29 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 16,000 vehicles a day, roughly 15% of them trucks, projected to reach 21,000 by 2043. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45A
CrossesTubbalubba Creek Relief
Location5.1 MI N SR 41
RouteU.S. Route 45A
Coordinates34.07423, -88.70253
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.2 US tons
Inventory rating63.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2023)
Projected traffic21,000 by 2043
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 45A over Tubbalubba Creek Relief built?

It was built in 1996, making it 29 years old in 2025.

What condition is US 45A over Tubbalubba Creek Relief 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 June 2023.

How much traffic does US 45A over Tubbalubba Creek Relief carry?

About 16,000 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 45A over Tubbalubba Creek Relief?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m).

Who owns US 45A over Tubbalubba Creek Relief?

It is owned by the State Highway Agency.