US Bridges

Monarch RD over Chinquapin Creek

Fair

Jones County, Mississippi · Sec 35 T 7N R11W B · Structure no. SA3400000000069

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

Monarch RD over Chinquapin Creek is a concrete channel beam carrying Monarch RD over Chinquapin Creek in Jones County, Mississippi. It was built in 1981, so it is 44 years old, older 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.

It carries about 100 vehicles a day, roughly 8% of them trucks, projected to reach 150 by 2043. The structure is 95 ft (29 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMonarch RD
CrossesChinquapin Creek
LocationSec 35 T 7N R11W B
RouteCounty Highway 146
Coordinates31.53483, -89.07739
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic150 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$279,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Monarch RD over Chinquapin Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Monarch RD over Chinquapin 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 March 2023.

How much traffic does Monarch RD over Chinquapin Creek carry?

About 100 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Monarch RD over Chinquapin Creek?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Monarch RD over Chinquapin Creek?

It is owned by the County Highway Agency.