US Bridges

South Calvin over Kyiaies Creek

Fair

Winn Parish, Louisiana · 0.42 Mi. South of LA 156 · Structure no. 086431574924671

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
80
2022 count
Owner
County
County Highway Agency

About this bridge

South Calvin over Kyiaies Creek is a concrete slab carrying South Calvin over Kyiaies Creek in Winn Parish, Louisiana. It was built in 1991, so it is 34 years old, younger than the Louisiana average of 43 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.

It carries about 80 vehicles a day, projected to reach 88 by 2042. The structure is 114 ft (34.7 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSouth Calvin
CrossesKyiaies Creek
Location0.42 Mi. South of LA 156
RouteCounty Highway 0
CountyWinn Parish
StateLouisiana
Coordinates31.95937, -92.7772
Functional classRural Local

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.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width19 ft (5.8 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)
Projected traffic88 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 South Calvin over Kyiaies Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is South Calvin over Kyiaies 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 October 2024.

How much traffic does South Calvin over Kyiaies Creek carry?

About 80 vehicles per day (2022 count).

How long is South Calvin over Kyiaies Creek?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 19 ft wide.

Who owns South Calvin over Kyiaies Creek?

It is owned by the County Highway Agency.