US Bridges

CR 3631 over Minnow Creek

Fair

Johnson County, Arkansas · .8 M NW Cord 145 & SH 123 · Structure no. 000000000014375

Built
1975
50 years old
Condition
Fair
inspected February 2025
Type
Channel Beam
Concrete
Length
107 ft
3 main spans
Daily traffic
366
2018 count
Owner
County
County Highway Agency

About this bridge

CR 3631 over Minnow Creek is a concrete channel beam carrying CR 3631 over Minnow Creek in Johnson County, Arkansas. It was built in 1975, so it is 50 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 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 366 vehicles a day, roughly 1% of them trucks, projected to reach 84 by 2007. The structure is 107 ft (32.6 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 3631
CrossesMinnow Creek
Location.8 M NW Cord 145 & SH 123
RouteCounty Highway 145
Coordinates35.52258, -93.37239
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length107 ft (32.6 m)
Longest span45 ft (13.7 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic366 (2018)
Projected traffic84 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 3631 over Minnow Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is CR 3631 over Minnow 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 February 2025.

How much traffic does CR 3631 over Minnow Creek carry?

About 366 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 3631 over Minnow Creek?

The structure is 107 ft (32.6 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.

Who owns CR 3631 over Minnow Creek?

It is owned by the County Highway Agency.