US Bridges

Blackwell Farm RD over Hester Creek

Fair

Harrison County, Mississippi · Sec 2 T 6S R10W · Structure no. SA2400000000045

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
100 ft
4 main spans
Daily traffic
539
2024 count
Owner
County
County Highway Agency

About this bridge

Blackwell Farm RD over Hester Creek is a concrete channel beam carrying Blackwell Farm RD over Hester Creek in Harrison County, Mississippi. It was built in 1964, so it is 61 years old, older 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 5 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 539 vehicles a day, roughly 8% of them trucks, projected to reach 809 by 2044. The structure is 100 ft (30.5 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBlackwell Farm RD
CrossesHester Creek
LocationSec 2 T 6S R10W
RouteCounty Highway 8120
Coordinates30.55041, -88.95674
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.3 US tons
Inventory rating36.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic539 (2024)
Projected traffic809 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Blackwell Farm RD over Hester Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Blackwell Farm RD over Hester Creek 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 December 2024.

How much traffic does Blackwell Farm RD over Hester Creek carry?

About 539 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Blackwell Farm RD over Hester Creek?

The structure is 100 ft (30.5 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Blackwell Farm RD over Hester Creek?

It is owned by the County Highway Agency.