US Bridges

Purvis-Columbia RD over Big Bay Creek

Fair

Lamar County, Mississippi · Sec 35 T 3N R16W B · Structure no. SA3700000000073

Built
1989
36 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
221 ft
11 main spans
Daily traffic
650
2024 count
Owner
County
County Highway Agency

About this bridge

Purvis-Columbia RD over Big Bay Creek is a concrete channel beam carrying Purvis-Columbia RD over Big Bay Creek in Lamar County, Mississippi. It was built in 1989, so it is 36 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 650 vehicles a day, roughly 8% of them trucks, projected to reach 730 by 2046. The structure is 221 ft (67.4 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesPurvis-Columbia RD
CrossesBig Bay Creek
LocationSec 35 T 3N R16W B
RouteCounty Highway 200
CountyLamar County
StateMississippi
Coordinates31.17324, -89.5762
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans11
Design loadH 15
Structure length221 ft (67.4 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2024)
Projected traffic730 by 2046
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Purvis-Columbia RD over Big Bay Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Purvis-Columbia RD over Big Bay 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 March 2024.

How much traffic does Purvis-Columbia RD over Big Bay Creek carry?

About 650 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Purvis-Columbia RD over Big Bay Creek?

The structure is 221 ft (67.4 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Purvis-Columbia RD over Big Bay Creek?

It is owned by the County Highway Agency.