US Bridges

County Road 171 over Sawmill Creek

FairPosted for load

Union County, Mississippi · Sec 12 T 7S R 4E B · Structure no. SA7300000000162

Built
2012
13 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
70
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 171 over Sawmill Creek is a steel stringer/multi-beam or girder carrying County Road 171 over Sawmill Creek in Union County, Mississippi. It was built in 2012, so it is 13 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, roughly 8% of them trucks, projected to reach 105 by 2038. The structure is 40 ft (12.2 m) long and 26 ft wide.

CarriesCounty Road 171
CrossesSawmill Creek
LocationSec 12 T 7S R 4E B
RouteCounty Highway 1985
Coordinates34.48796, -88.83248
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.9 US tons
Inventory rating23.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2018)
Projected traffic105 by 2038
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$300,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 171 over Sawmill Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is County Road 171 over Sawmill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does County Road 171 over Sawmill Creek carry?

About 70 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is County Road 171 over Sawmill Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns County Road 171 over Sawmill Creek?

It is owned by the County Highway Agency.