US Bridges

Oil Mill RD over Bayou Pierre

Fair

Claiborne County, Mississippi · Sec 12 T12N R 2E B · Structure no. SA1100000000047

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,014 ft
3 main spans
Daily traffic
1,900
2024 count
Owner
County
County Highway Agency

About this bridge

Oil Mill RD over Bayou Pierre is a steel continuous stringer/multi-beam or girder carrying Oil Mill RD over Bayou Pierre in Claiborne County, Mississippi. It was built in 1978, so it is 47 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 1,900 vehicles a day, roughly 20% of them trucks, projected to reach 2,850 by 2044. The structure is 1,014 ft (309.1 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesOil Mill RD
CrossesBayou Pierre
LocationSec 12 T12N R 2E B
RouteCounty Highway 1302
CountyClaiborne County
StateMississippi
Coordinates31.98461, -91.00625
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+15 approach)
Design loadHS 20
Structure length1,014 ft (309.1 m)
Longest span150 ft (45.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2024)
Projected traffic2,850 by 2044
Trucks20%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oil Mill RD over Bayou Pierre built?

It was built in 1978, making it 47 years old in 2025.

What condition is Oil Mill RD over Bayou Pierre 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 November 2023.

How much traffic does Oil Mill RD over Bayou Pierre carry?

About 1,900 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Oil Mill RD over Bayou Pierre?

The structure is 1,014 ft (309.1 m) long with a longest span of 150 ft (45.7 m) and a deck 31 ft wide.

Who owns Oil Mill RD over Bayou Pierre?

It is owned by the County Highway Agency.