US Bridges

CR 86-F Mt. Spring over Four Mile Creek

Fair

Lonoke County, Arkansas · .18 MI E SH 5 · Structure no. 000000000004514

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
124 ft
4 main spans
Daily traffic
34
2018 count
Owner
County
County Highway Agency

About this bridge

CR 86-F Mt. Spring over Four Mile Creek is a concrete channel beam carrying CR 86-F Mt. Spring over Four Mile Creek in Lonoke County, Arkansas. It was built in 1985, so it is 40 years old, younger 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 6 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 34 vehicles a day, roughly 1% of them trucks, projected to reach 261 by 2007. The structure is 124 ft (37.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 86-F Mt. Spring
CrossesFour Mile Creek
Location.18 MI E SH 5
RouteCounty Highway 86
Coordinates35.01064, -92.06854
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 20
Structure length124 ft (37.8 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2018)
Projected traffic261 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CR 86-F Mt. Spring over Four Mile Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR 86-F Mt. Spring over Four Mile 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 August 2024.

How much traffic does CR 86-F Mt. Spring over Four Mile Creek carry?

About 34 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 86-F Mt. Spring over Four Mile Creek?

The structure is 124 ft (37.8 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns CR 86-F Mt. Spring over Four Mile Creek?

It is owned by the County Highway Agency.