US Bridges

SH-121/SEC3/L4.709 over Spring

Fair

Lee County, Arkansas · 4.71 MI South JCT US 79 · Structure no. 0000000000X0607

Built
1985
40 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
480
2019 count
Owner
State
State Highway Agency

About this bridge

SH-121/SEC3/L4.709 over Spring is a concrete culvert carrying SH-121/SEC3/L4.709 over Spring in Lee County, Arkansas. It was built in 1985, so it is 40 years old, younger than the Arkansas average of 45.1 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 480 vehicles a day, roughly 1% of them trucks, projected to reach 1,139 by 2028. The structure is 28 ft (8.4 m) long and 30 ft wide.

CarriesSH-121/SEC3/L4.709
CrossesSpring
Location4.71 MI South JCT US 79
RouteState Highway 121
Coordinates34.70674, -90.90042
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length28 ft (8.4 m)
Longest span13 ft (4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2019)
Projected traffic1,139 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 SH-121/SEC3/L4.709 over Spring built?

It was built in 1985, making it 40 years old in 2025.

What condition is SH-121/SEC3/L4.709 over Spring 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 November 2023.

How much traffic does SH-121/SEC3/L4.709 over Spring carry?

About 480 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is SH-121/SEC3/L4.709 over Spring?

The structure is 28 ft (8.4 m) long with a longest span of 13 ft (4 m) and a deck 30 ft wide.

Who owns SH-121/SEC3/L4.709 over Spring?

It is owned by the State Highway Agency.