US Bridges

US 11 over Black Creek

Good

Lamar County, Mississippi · 5.4 MI S I 59 · Structure no. 210001103706350

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
433 ft
1 main span
Daily traffic
5,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 11 over Black Creek is a prestressed concrete stringer/multi-beam or girder carrying US 11 over Black Creek in Lamar County, Mississippi. It was built in 1999, so it is 26 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 5,400 vehicles a day, roughly 9% of them trucks, projected to reach 5,400 by 2043. The structure is 433 ft (132 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS 11
CrossesBlack Creek
Location5.4 MI S I 59
RouteU.S. Route 11
Coordinates31.18981, -89.37702
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.9 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadHS 20
Structure length433 ft (132 m)
Longest span89 ft (27 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2023)
Projected traffic5,400 by 2043
Trucks9%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 US 11 over Black Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is US 11 over Black 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 August 2024.

How much traffic does US 11 over Black Creek carry?

About 5,400 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 11 over Black Creek?

The structure is 433 ft (132 m) long with a longest span of 89 ft (27 m) and a deck 43 ft wide.

Who owns US 11 over Black Creek?

It is owned by the State Highway Agency.