US Bridges

SH-149/SEC5/L5.436 over Tyronza River

Fair

Crittenden County, Arkansas · 5.436MI N JCT of US 64 · Structure no. 000000000002999

Built
1956
69 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
254 ft
6 main spans
Daily traffic
689
2018 count
Owner
State
State Highway Agency

About this bridge

SH-149/SEC5/L5.436 over Tyronza River is a steel stringer/multi-beam or girder carrying SH-149/SEC5/L5.436 over Tyronza River in Crittenden County, Arkansas. It was built in 1956, so it is 69 years old, older 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 5 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 689 vehicles a day, roughly 1% of them trucks, projected to reach 630 by 2028. The structure is 254 ft (77.4 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesSH-149/SEC5/L5.436
CrossesTyronza River
Location5.436MI N JCT of US 64
RouteState Highway 149
CountyCrittenden County
StateArkansas
Coordinates35.34151, -90.44004
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length254 ft (77.4 m)
Longest span42 ft (12.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic689 (2018)
Projected traffic630 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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-149/SEC5/L5.436 over Tyronza River built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH-149/SEC5/L5.436 over Tyronza River 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 July 2024.

How much traffic does SH-149/SEC5/L5.436 over Tyronza River carry?

About 689 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH-149/SEC5/L5.436 over Tyronza River?

The structure is 254 ft (77.4 m) long with a longest span of 42 ft (12.8 m) and a deck 25 ft wide.

Who owns SH-149/SEC5/L5.436 over Tyronza River?

It is owned by the State Highway Agency.