US Bridges

SR 15 over Cypress Branch

FairPosted for load

Harrison County, Mississippi · 11.8 MI N I 10 · Structure no. 310001502401570

Built
1982
43 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
21 ft
1 main span
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Cypress Branch is a concrete channel beam carrying SR 15 over Cypress Branch in Harrison County, Mississippi. It was built in 1982, so it is 43 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. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 14% of them trucks, projected to reach 1,000 by 2043. The structure is 21 ft (6.4 m) long and 31 ft wide. If it were closed, the detour would be 57.8 mi (93 km).

Location

Open in Google Maps
CarriesSR 15
CrossesCypress Branch
Location11.8 MI N I 10
RouteState Highway 15
CountyHarrison County
StateMississippi
Coordinates30.60489, -88.92894
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.1 US tons
Inventory rating16.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.8 mi (93 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 15 over Cypress Branch built?

It was built in 1982, making it 43 years old in 2025.

What condition is SR 15 over Cypress Branch 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 April 2024.

How much traffic does SR 15 over Cypress Branch carry?

About 1,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 15 over Cypress Branch?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns SR 15 over Cypress Branch?

It is owned by the State Highway Agency.