US Bridges

SH-121/SEC3/L14.4 over Cypress Bayou

Good

Lee County, Arkansas · 0.5 Miles West JCT SH 1 · Structure no. 000000000006959

Built
2004
21 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
121 ft
3 main spans
Daily traffic
470
2019 count
Owner
State
State Highway Agency

About this bridge

SH-121/SEC3/L14.4 over Cypress Bayou is a steel continuous stringer/multi-beam or girder carrying SH-121/SEC3/L14.4 over Cypress Bayou in Lee County, Arkansas. It was built in 2004, so it is 21 years old, younger than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 470 vehicles a day, roughly 15% of them trucks, projected to reach 615 by 2028. The structure is 121 ft (36.9 m) long and 33 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesSH-121/SEC3/L14.4
CrossesCypress Bayou
Location0.5 Miles West JCT SH 1
RouteState Highway 121
CountyLee County
StateArkansas
Coordinates34.65721, -90.77806
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2019)
Projected traffic615 by 2028
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 SH-121/SEC3/L14.4 over Cypress Bayou built?

It was built in 2004, making it 21 years old in 2025.

What condition is SH-121/SEC3/L14.4 over Cypress Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does SH-121/SEC3/L14.4 over Cypress Bayou carry?

About 470 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is SH-121/SEC3/L14.4 over Cypress Bayou?

The structure is 121 ft (36.9 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns SH-121/SEC3/L14.4 over Cypress Bayou?

It is owned by the State Highway Agency.