US Bridges

Pattison-Hermanvil over Little Bayou Pierre

Fair

Claiborne County, Mississippi · Sec 25 T11N R 4E B · Structure no. SA1100000000037

Built
1968
57 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
238 ft
4 main spans
Daily traffic
500
2020 count
Owner
County
County Highway Agency

About this bridge

Pattison-Hermanvil over Little Bayou Pierre is a steel stringer/multi-beam or girder carrying Pattison-Hermanvil over Little Bayou Pierre in Claiborne County, Mississippi. It was built in 1968, so it is 57 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 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 500 vehicles a day, roughly 8% of them trucks, projected to reach 750 by 2040. The structure is 238 ft (72.5 m) long and 29 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesPattison-Hermanvil
CrossesLittle Bayou Pierre
LocationSec 25 T11N R 4E B
RouteCounty Highway 1304
Coordinates31.90558, -90.83547
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 15
Structure length238 ft (72.5 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2020)
Projected traffic750 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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$717,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pattison-Hermanvil over Little Bayou Pierre built?

It was built in 1968, making it 57 years old in 2025.

What condition is Pattison-Hermanvil over Little 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 December 2024.

How much traffic does Pattison-Hermanvil over Little Bayou Pierre carry?

About 500 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Pattison-Hermanvil over Little Bayou Pierre?

The structure is 238 ft (72.5 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns Pattison-Hermanvil over Little Bayou Pierre?

It is owned by the County Highway Agency.