US Bridges

SH 14-16- Lm 11.54 over Tyronza Bayou

Good

Mississippi County, Arkansas · .5 MI JCT SH 181 · Structure no. 000000000006201

Built
1987
38 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
182 ft
3 main spans
Daily traffic
1,000
2018 count
Owner
State
State Highway Agency

About this bridge

SH 14-16- Lm 11.54 over Tyronza Bayou is a steel stringer/multi-beam or girder carrying SH 14-16- Lm 11.54 over Tyronza Bayou in Mississippi County, Arkansas. It was built in 1987, so it is 38 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,086 by 2028. The structure is 182 ft (55.6 m) long and 33 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesSH 14-16- Lm 11.54
CrossesTyronza Bayou
Location.5 MI JCT SH 181
RouteState Highway 14
CountyMississippi County
StateArkansas
Coordinates35.61134, -90.08168
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.6 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2018)
Projected traffic1,086 by 2028
Trucks1%
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 14-16- Lm 11.54 over Tyronza Bayou built?

It was built in 1987, making it 38 years old in 2025.

What condition is SH 14-16- Lm 11.54 over Tyronza 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 2023.

How much traffic does SH 14-16- Lm 11.54 over Tyronza Bayou carry?

About 1,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 14-16- Lm 11.54 over Tyronza Bayou?

The structure is 182 ft (55.6 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns SH 14-16- Lm 11.54 over Tyronza Bayou?

It is owned by the State Highway Agency.