US Bridges

SR 27 over Polk Creek

Poor

Warren County, Mississippi · 1.8 MI N Hinds Cl · Structure no. 310002707511970

Built
1960
65 years old
Condition
Poor
inspected September 2024
Type
Culvert
Concrete
Length
61 ft
2 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

SR 27 over Polk Creek is a concrete culvert carrying SR 27 over Polk Creek in Warren County, Mississippi. It was built in 1960, so it is 65 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,600 vehicles a day, roughly 20% of them trucks, projected to reach 3,700 by 2043. The structure is 61 ft (18.6 m) long. If it were closed, the detour would be 75.2 mi (121 km).

CarriesSR 27
CrossesPolk Creek
Location1.8 MI N Hinds Cl
RouteState Highway 27
Coordinates32.24788, -90.75202
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length61 ft (18.6 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic3,700 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.2 mi (121 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$393 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 27 over Polk Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 27 over Polk Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does SR 27 over Polk Creek carry?

About 3,600 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR 27 over Polk Creek?

The structure is 61 ft (18.6 m) long with a longest span of 28 ft (8.5 m).

Who owns SR 27 over Polk Creek?

It is owned by the State Highway Agency.