US Bridges

Siloam Una RD over Death Creek

Good

Clay County, Mississippi · Sec 11 T16S R 5E B · Structure no. SA1300000000057

Built
1997
28 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

Siloam Una RD over Death Creek is a prestressed concrete stringer/multi-beam or girder carrying Siloam Una RD over Death Creek in Clay County, Mississippi. It was built in 1997, so it is 28 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 250 vehicles a day, roughly 8% of them trucks, projected to reach 375 by 2044. The structure is 122 ft (37.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSiloam Una RD
CrossesDeath Creek
LocationSec 11 T16S R 5E B
RouteCounty Highway 770
Coordinates33.69496, -88.75743
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating33.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic375 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Siloam Una RD over Death Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Siloam Una RD over Death Creek 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 2023.

How much traffic does Siloam Una RD over Death Creek carry?

About 250 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Siloam Una RD over Death Creek?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns Siloam Una RD over Death Creek?

It is owned by the County Highway Agency.