US Bridges

Robertson Road over Greens Creek

Fair

Forrest County, Mississippi · Sec 17 T 5N R12W · Structure no. SA1800000000184

Built
1991
34 years old
Condition
Fair
inspected December 2022
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
410
2022 count
Owner
County
County Highway Agency

About this bridge

Robertson Road over Greens Creek is a concrete channel beam carrying Robertson Road over Greens Creek in Forrest County, Mississippi. It was built in 1991, so it is 34 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 410 vehicles a day, roughly 8% of them trucks, projected to reach 610 by 2042. The structure is 69 ft (21 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRobertson Road
CrossesGreens Creek
LocationSec 17 T 5N R12W
RouteCounty Highway 39
Coordinates31.39556, -89.22069
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2022)
Projected traffic610 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Robertson Road over Greens Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Robertson Road over Greens 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 2022.

How much traffic does Robertson Road over Greens Creek carry?

About 410 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Robertson Road over Greens Creek?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Robertson Road over Greens Creek?

It is owned by the County Highway Agency.