US Bridges

SH-318/SEC-3/L9.73 over Big Creek Relief

Good

Phillips County, Arkansas · 5.89 M North of JCT SH 20 · Structure no. 000000000005713

Built
1978
47 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
3 main spans
Daily traffic
530
2018 count
Owner
State
State Highway Agency

About this bridge

SH-318/SEC-3/L9.73 over Big Creek Relief is a steel stringer/multi-beam or girder carrying SH-318/SEC-3/L9.73 over Big Creek Relief in Phillips County, Arkansas. It was built in 1978, so it is 47 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 530 vehicles a day, roughly 1% of them trucks, projected to reach 557 by 2028. The structure is 125 ft (38.1 m) long and 31 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSH-318/SEC-3/L9.73
CrossesBig Creek Relief
Location5.89 M North of JCT SH 20
RouteState Highway 318
Coordinates34.40659, -90.94905
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length125 ft (38.1 m)
Longest span41 ft (12.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2018)
Projected traffic557 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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-318/SEC-3/L9.73 over Big Creek Relief built?

It was built in 1978, making it 47 years old in 2025.

What condition is SH-318/SEC-3/L9.73 over Big Creek 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 August 2024.

How much traffic does SH-318/SEC-3/L9.73 over Big Creek Relief carry?

About 530 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH-318/SEC-3/L9.73 over Big Creek Relief?

The structure is 125 ft (38.1 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.

Who owns SH-318/SEC-3/L9.73 over Big Creek Relief?

It is owned by the State Highway Agency.