US Bridges

US 79B-09 Lm 4.49 over Brump Bayou

Good

Jefferson County, Arkansas · 0.03 MI N US65B-PINEBLUFF · Structure no. 000000000005520

Built
1974
51 years old
Condition
Good
inspected December 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
8,962
2015 count
Owner
State
State Highway Agency

About this bridge

US 79B-09 Lm 4.49 over Brump Bayou is a steel stringer/multi-beam or girder carrying US 79B-09 Lm 4.49 over Brump Bayou in Jefferson County, Arkansas. It was built in 1974, so it is 51 years old, older 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 8,962 vehicles a day, roughly 1% of them trucks, projected to reach 16,467 by 2028. The structure is 62 ft (19 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 79B-09 Lm 4.49
CrossesBrump Bayou
Location0.03 MI N US65B-PINEBLUFF
RouteU.S. Route 79
Coordinates34.22986, -92.01985
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2021
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (19 m)
Longest span60 ft (18.3 m)
Deck width60 ft (18.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,962 (2015)
Projected traffic16,467 by 2028
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$719,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 79B-09 Lm 4.49 over Brump Bayou built?

It was built in 1974, making it 51 years old in 2025.

What condition is US 79B-09 Lm 4.49 over Brump 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 December 2021.

How much traffic does US 79B-09 Lm 4.49 over Brump Bayou carry?

About 8,962 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is US 79B-09 Lm 4.49 over Brump Bayou?

The structure is 62 ft (19 m) long with a longest span of 60 ft (18.3 m) and a deck 60 ft wide.

Who owns US 79B-09 Lm 4.49 over Brump Bayou?

It is owned by the State Highway Agency.