US Bridges

HWY 18 - 06 - 4.19 over Big Lake

Good

Mississippi County, Arkansas · SE of Manila · Structure no. 000000000007391

Built
2019
6 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
890 ft
9 main spans
Daily traffic
6,300
2016 count
Owner
State
State Highway Agency

About this bridge

HWY 18 - 06 - 4.19 over Big Lake is a steel stringer/multi-beam or girder carrying HWY 18 - 06 - 4.19 over Big Lake in Mississippi County, Arkansas. It was built in 2019, so it is 6 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 6,300 vehicles a day, roughly 10% of them trucks, projected to reach 7,600 by 2036. The structure is 890 ft (271.3 m) long and 78 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesHWY 18 - 06 - 4.19
CrossesBig Lake
LocationSE of Manila
RouteState Highway 18
CountyMississippi County
StateArkansas
Coordinates35.85025, -90.12894
Functional classRural Principal Arterial - Other

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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior 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
DeckConcrete, cast-in-place
Main spans9
Design loadHL 93
Structure length890 ft (271.3 m)
Longest span116 ft (35.4 m)
Deck width78 ft (23.8 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2016)
Projected traffic7,600 by 2036
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes

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 HWY 18 - 06 - 4.19 over Big Lake built?

It was built in 2019, making it 6 years old in 2025.

What condition is HWY 18 - 06 - 4.19 over Big Lake 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 September 2021.

How much traffic does HWY 18 - 06 - 4.19 over Big Lake carry?

About 6,300 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is HWY 18 - 06 - 4.19 over Big Lake?

The structure is 890 ft (271.3 m) long with a longest span of 116 ft (35.4 m) and a deck 78 ft wide.

Who owns HWY 18 - 06 - 4.19 over Big Lake?

It is owned by the State Highway Agency.