US Bridges

Howard Hill - Seb over State Highway 549

Good

Sebastian County, Arkansas · 0.53 MI Njct US 71 · Structure no. 000000000007079

Built
2013
12 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
329 ft
2 main spans
Daily traffic
1,900
2010 count
Owner
State
State Highway Agency

About this bridge

Howard Hill - Seb over State Highway 549 is a steel continuous stringer/multi-beam or girder carrying Howard Hill - Seb over State Highway 549 in Sebastian County, Arkansas. It was built in 2013, so it is 12 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 1,900 vehicles a day, roughly 1% of them trucks, projected to reach 210 by 2032. The structure is 329 ft (100.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHoward Hill - Seb
CrossesState Highway 549
Location0.53 MI Njct US 71
RouteCounty Highway 8
Coordinates35.26311, -94.35355
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length329 ft (100.3 m)
Longest span169 ft (51.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2010)
Projected traffic210 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Howard Hill - Seb over State Highway 549 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Howard Hill - Seb over State Highway 549 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 Howard Hill - Seb over State Highway 549 carry?

About 1,900 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Howard Hill - Seb over State Highway 549?

The structure is 329 ft (100.3 m) long with a longest span of 169 ft (51.5 m) and a deck 33 ft wide.

Who owns Howard Hill - Seb over State Highway 549?

It is owned by the State Highway Agency.