US Bridges

CO RD 263 over Relief for Big Black Riv

Poor

Webster County, Mississippi · Sec 34 T21N R11E · Structure no. SA7800000000125

Built
1970
55 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
3 main spans
Daily traffic
60
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD 263 over Relief for Big Black Riv is a steel continuous stringer/multi-beam or girder carrying CO RD 263 over Relief for Big Black Riv in Webster County, Mississippi. It was built in 1970, so it is 55 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, temporary structure in place while original is closed.

It carries about 60 vehicles a day, projected to reach 90 by 2035. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO RD 263
CrossesRelief for Big Black Riv
LocationSec 34 T21N R11E
RouteCounty Highway 1717
Coordinates33.63517, -89.12508
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadH 15
Structure length50 ft (15.2 m)
Longest span18 ft (5.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2015)
Projected traffic90 by 2035
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$175,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 263 over Relief for Big Black Riv built?

It was built in 1970, making it 55 years old in 2025.

What condition is CO RD 263 over Relief for Big Black Riv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does CO RD 263 over Relief for Big Black Riv carry?

About 60 vehicles per day (2015 count).

How long is CO RD 263 over Relief for Big Black Riv?

The structure is 50 ft (15.2 m) long with a longest span of 18 ft (5.5 m) and a deck 16 ft wide.

Who owns CO RD 263 over Relief for Big Black Riv?

It is owned by the County Highway Agency.