US Bridges

Old HWY 49 over Poleyard Branch

Fair

Harrison County, Mississippi · Sec 18 T 5S R11W · Structure no. SA2400000000018

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
1,100
2024 count
Owner
County
County Highway Agency

About this bridge

Old HWY 49 over Poleyard Branch is a concrete channel beam carrying Old HWY 49 over Poleyard Branch in Harrison County, Mississippi. It was built in 1965, so it is 60 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,650 by 2044. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld HWY 49
CrossesPoleyard Branch
LocationSec 18 T 5S R11W
RouteCounty Highway 8066
Coordinates30.61308, -89.13444
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating35.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2024)
Projected traffic1,650 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 49 over Poleyard Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Old HWY 49 over Poleyard Branch 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 February 2024.

How much traffic does Old HWY 49 over Poleyard Branch carry?

About 1,100 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Old HWY 49 over Poleyard Branch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Old HWY 49 over Poleyard Branch?

It is owned by the County Highway Agency.