US Bridges

US 51 over Big Black River Trib. #2

Fair

Holmes County, Mississippi · 0.9 MI S SR 12 · Structure no. 210005102615480

Built
2008
17 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
1 main span
Daily traffic
1,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 over Big Black River Trib. #2 is a prestressed concrete stringer/multi-beam or girder carrying US 51 over Big Black River Trib. #2 in Holmes County, Mississippi. It was built in 2008, so it is 17 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 1,800 by 2043. The structure is 192 ft (58.5 m) long and 42 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 51
CrossesBig Black River Trib. #2
Location0.9 MI S SR 12
RouteU.S. Route 51
Coordinates33.06458, -89.86421
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span112 ft (34 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic1,800 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 51 over Big Black River Trib. #2 built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 51 over Big Black River Trib. #2 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does US 51 over Big Black River Trib. #2 carry?

About 1,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 51 over Big Black River Trib. #2?

The structure is 192 ft (58.5 m) long with a longest span of 112 ft (34 m) and a deck 42 ft wide.

Who owns US 51 over Big Black River Trib. #2?

It is owned by the State Highway Agency.