US Bridges

County Line Rd. 70 over Unnamed Stream

Good

Grenada County, Mississippi · Sec 24 T22N R 7E · Structure no. SA2200000000046

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
50
2015 count
Owner
County
County Highway Agency

About this bridge

County Line Rd. 70 over Unnamed Stream is a concrete channel beam carrying County Line Rd. 70 over Unnamed Stream in Grenada County, Mississippi. It was built in 1995, so it is 30 years old, younger than the Mississippi average of 38.9 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 50 vehicles a day, projected to reach 75 by 2035. The structure is 57 ft (17.4 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty Line Rd. 70
CrossesUnnamed Stream
LocationSec 24 T22N R 7E
RouteCounty Highway 70
CountyGrenada County
StateMississippi
Coordinates33.76472, -89.5125
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.6 US tons
Inventory rating58.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2015)
Projected traffic75 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 County Line Rd. 70 over Unnamed Stream built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Line Rd. 70 over Unnamed Stream 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 November 2024.

How much traffic does County Line Rd. 70 over Unnamed Stream carry?

About 50 vehicles per day (2015 count).

How long is County Line Rd. 70 over Unnamed Stream?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns County Line Rd. 70 over Unnamed Stream?

It is owned by the County Highway Agency.