US Bridges

Dummy Line Road over Relief

Fair

Panola County, Mississippi · Sec 31 T 9S R 8W B · Structure no. SA5400000000122

Built
1971
54 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
8 main spans
Daily traffic
1,100
2022 count
Owner
County
County Highway Agency

About this bridge

Dummy Line Road over Relief is a prestressed concrete stringer/multi-beam or girder carrying Dummy Line Road over Relief in Panola County, Mississippi. It was built in 1971, so it is 54 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,650 by 2042. The structure is 320 ft (97.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDummy Line Road
CrossesRelief
LocationSec 31 T 9S R 8W B
RouteCounty Highway 837
Coordinates34.25758, -90.08781
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating26.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,650 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Dummy Line Road over Relief built?

It was built in 1971, making it 54 years old in 2025.

What condition is Dummy Line Road over Relief 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 December 2023.

How much traffic does Dummy Line Road over Relief carry?

About 1,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Dummy Line Road over Relief?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Dummy Line Road over Relief?

It is owned by the County Highway Agency.