US Bridges

Henry Thurman Road over E Prong of Silvercreek

Good

Simpson County, Mississippi · Sec 6 T 9N R18W · Structure no. SA6400000000093

Built
2010
15 years old
Condition
Good
inspected January 2023
Type
Channel Beam
Concrete
Length
164 ft
5 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Henry Thurman Road over E Prong of Silvercreek is a concrete channel beam carrying Henry Thurman Road over E Prong of Silvercreek in Simpson County, Mississippi. It was built in 2010, so it is 15 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 20 vehicles a day, roughly 8% of them trucks, projected to reach 30 by 2040. The structure is 164 ft (50 m) long and 29 ft wide.

CarriesHenry Thurman Road
CrossesE Prong of Silvercreek
LocationSec 6 T 9N R18W
RouteCounty Highway 133
Coordinates31.77667, -89.84972
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating86.1 US tons
Inventory rating51.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length164 ft (50 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic30 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Henry Thurman Road over E Prong of Silvercreek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Henry Thurman Road over E Prong of Silvercreek 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 January 2023.

How much traffic does Henry Thurman Road over E Prong of Silvercreek carry?

About 20 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Henry Thurman Road over E Prong of Silvercreek?

The structure is 164 ft (50 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Henry Thurman Road over E Prong of Silvercreek?

It is owned by the County Highway Agency.