US Bridges

Three Mile Lake RD over Short Bayou

Fair

Sunflower County, Mississippi · Sec 6 T17N R 3W B · Structure no. SA6700000000004

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
95 ft
1 main span
Daily traffic
280
2007 count
Owner
County
County Highway Agency

About this bridge

Three Mile Lake RD over Short Bayou is a concrete channel beam carrying Three Mile Lake RD over Short Bayou in Sunflower County, Mississippi. It was built in 1973, so it is 52 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 280 vehicles a day, roughly 8% of them trucks, projected to reach 420 by 2045. The structure is 95 ft (29 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesThree Mile Lake RD
CrossesShort Bayou
LocationSec 6 T17N R 3W B
RouteCounty Highway 1617
Coordinates33.36661, -90.54436
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 alignment8: Equal to present desirable criteria
Operating rating57.4 US tons
Inventory rating34.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+4 approach)
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2007)
Projected traffic420 by 2045
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$109,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Three Mile Lake RD over Short Bayou built?

It was built in 1973, making it 52 years old in 2025.

What condition is Three Mile Lake RD over Short Bayou 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 Three Mile Lake RD over Short Bayou carry?

About 280 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is Three Mile Lake RD over Short Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Three Mile Lake RD over Short Bayou?

It is owned by the County Highway Agency.