US Bridges

US 63-03-LM 17.11 over Black River Relief

Good

Lawrence County, Arkansas · NW Cl of Portia · Structure no. 000000000007286

Built
2016
9 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
304 ft
5 main spans
Daily traffic
8,539
2015 count
Owner
State
State Highway Agency

About this bridge

US 63-03-LM 17.11 over Black River Relief is a steel continuous stringer/multi-beam or girder carrying US 63-03-LM 17.11 over Black River Relief in Lawrence County, Arkansas. It was built in 2016, so it is 9 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 8,539 vehicles a day, roughly 15% of them trucks, projected to reach 14,500 by 2034. The structure is 304 ft (92.7 m) long and 78 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesUS 63-03-LM 17.11
CrossesBlack River Relief
LocationNW Cl of Portia
RouteU.S. Route 63
Coordinates36.09153, -91.08054
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry9: Superior to present desirable 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length304 ft (92.7 m)
Longest span66 ft (20.1 m)
Deck width78 ft (23.8 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,539 (2015)
Projected traffic14,500 by 2034
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed42.9 mi (69 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 63-03-LM 17.11 over Black River Relief built?

It was built in 2016, making it 9 years old in 2025.

What condition is US 63-03-LM 17.11 over Black River Relief 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 June 2022.

How much traffic does US 63-03-LM 17.11 over Black River Relief carry?

About 8,539 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is US 63-03-LM 17.11 over Black River Relief?

The structure is 304 ft (92.7 m) long with a longest span of 66 ft (20.1 m) and a deck 78 ft wide.

Who owns US 63-03-LM 17.11 over Black River Relief?

It is owned by the State Highway Agency.