US Bridges

Mitchiner RD over Big Creek

Fair

Richland Parish, Louisiana · 2.2 MI E of LA 183 · Structure no. 054200000050272

Built
2016
9 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
200
1974 count
Owner
County
County Highway Agency

About this bridge

Mitchiner RD over Big Creek is a concrete slab carrying Mitchiner RD over Big Creek in Richland Parish, Louisiana. It was built in 2016, so it is 9 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 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 200 vehicles a day, projected to reach 220 by 1994. The structure is 200 ft (61 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesMitchiner RD
CrossesBig Creek
Location2.2 MI E of LA 183
RouteCounty Highway 0
CountyRichland Parish
StateLouisiana
Coordinates32.58072, -91.59551
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1974)
Projected traffic220 by 1994
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mitchiner RD over Big Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Mitchiner RD over Big 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 June 2023.

How much traffic does Mitchiner RD over Big Creek carry?

About 200 vehicles per day (1974 count).

How long is Mitchiner RD over Big Creek?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Mitchiner RD over Big Creek?

It is owned by the County Highway Agency.