US Bridges

Silex RD - E over Mill Creek

Fair

Pope County, Arkansas · 0.41 M W HWY SH 164 · Structure no. 000000000016304

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
3 main spans
Daily traffic
117
2018 count
Owner
County
County Highway Agency

About this bridge

Silex RD - E over Mill Creek is a steel stringer/multi-beam or girder carrying Silex RD - E over Mill Creek in Pope County, Arkansas. It was built in 1955, so it is 70 years old, older than the Arkansas average of 45.1 years.

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

It carries about 117 vehicles a day, roughly 1% of them trucks, projected to reach 19 by 2007. The structure is 45 ft (13.7 m) long and 14 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSilex RD - E
CrossesMill Creek
Location0.41 M W HWY SH 164
RouteCounty Highway 150
Coordinates35.50678, -93.18889
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating99 US tons
Inventory rating92 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span16 ft (4.9 m)
Deck width14 ft (4.4 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2018)
Projected traffic19 by 2007
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$235,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Silex RD - E over Mill Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Silex RD - E over Mill 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 January 2024.

How much traffic does Silex RD - E over Mill Creek carry?

About 117 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Silex RD - E over Mill Creek?

The structure is 45 ft (13.7 m) long with a longest span of 16 ft (4.9 m) and a deck 14 ft wide.

Who owns Silex RD - E over Mill Creek?

It is owned by the County Highway Agency.