US Bridges

Walnut Creek RD over I 20

Poor

Lincoln Parish, Louisiana · 3.7 MI West of LA 507 · Structure no. 053104510501901

Built
1963
62 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
282 ft
3 main spans
Daily traffic
2,930
2015 count
Owner
State
State Highway Agency

About this bridge

Walnut Creek RD over I 20 is a steel stringer/multi-beam or girder carrying Walnut Creek RD over I 20 in Lincoln Parish, Louisiana. It was built in 1963, so it is 62 years old, older than the Louisiana average of 43 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 2,930 vehicles a day, projected to reach 3,223 by 2035. The structure is 282 ft (86 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWalnut Creek RD
CrossesI 20
Location3.7 MI West of LA 507
RouteCounty Highway 0
CountyLincoln Parish
StateLouisiana
Coordinates32.55157, -92.848
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 15
Structure length282 ft (86 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,930 (2015)
Projected traffic3,223 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walnut Creek RD over I 20 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Walnut Creek RD over I 20 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 December 2023.

How much traffic does Walnut Creek RD over I 20 carry?

About 2,930 vehicles per day (2015 count).

How long is Walnut Creek RD over I 20?

The structure is 282 ft (86 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns Walnut Creek RD over I 20?

It is owned by the State Highway Agency.