US Bridges

CR 231 over Tishomingo Crk N. Branch

PoorPosted for load

Lee County, Mississippi · Sec 11 T 7S R 5E B · Structure no. SA4100000000004

Built
1985
40 years old
Condition
Poor
inspected January 2025
Type
Girder and Floorbeam System
Steel
Length
112 ft
2 main spans
Daily traffic
650
2021 count
Owner
County
County Highway Agency

About this bridge

CR 231 over Tishomingo Crk N. Branch is a steel girder and floorbeam system carrying CR 231 over Tishomingo Crk N. Branch in Lee County, Mississippi. It was built in 1985, so it is 40 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 4 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: posted for load restriction.

It carries about 650 vehicles a day, roughly 8% of them trucks, projected to reach 975 by 2043. The structure is 112 ft (34.1 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCR 231
CrossesTishomingo Crk N. Branch
LocationSec 11 T 7S R 5E B
RouteCounty Highway 860
CountyLee County
StateMississippi
Coordinates34.49603, -88.74033
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 alignment6: Equal to present minimum criteria
Operating rating18.7 US tons
Inventory rating11.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans2 (+1 approach)
Design loadUnknown
Structure length112 ft (34.1 m)
Longest span69 ft (21 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2021)
Projected traffic975 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$688,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 231 over Tishomingo Crk N. Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR 231 over Tishomingo Crk N. Branch 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 January 2025.

How much traffic does CR 231 over Tishomingo Crk N. Branch carry?

About 650 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is CR 231 over Tishomingo Crk N. Branch?

The structure is 112 ft (34.1 m) long with a longest span of 69 ft (21 m) and a deck 23 ft wide.

Who owns CR 231 over Tishomingo Crk N. Branch?

It is owned by the County Highway Agency.