US Bridges

Entrance Road over Ext Rim Canal of MI-4

Fair

Hyde County, North Carolina · Entrance RD NE Corner MI4 · Structure no. 000042530-00142

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel
Length
27 ft
1 main span
Daily traffic
150
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Entrance Road over Ext Rim Canal of MI-4 is a steel girder and floorbeam system carrying Entrance Road over Ext Rim Canal of MI-4 in Hyde County, North Carolina. It was built in 1984, so it is 41 years old, older than the North Carolina average of 38.7 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 150 vehicles a day, roughly 4% of them trucks, projected to reach 180 by 2043. The structure is 27 ft (8.2 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesEntrance Road
CrossesExt Rim Canal of MI-4
LocationEntrance RD NE Corner MI4
RouteFederal Lands Road 0
CountyHyde County
StateNorth Carolina
Coordinates35.45267, -76.18467
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
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic150 (2023)
Projected traffic180 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$574,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Entrance Road over Ext Rim Canal of MI-4 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Entrance Road over Ext Rim Canal of MI-4 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 June 2023.

How much traffic does Entrance Road over Ext Rim Canal of MI-4 carry?

About 150 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Entrance Road over Ext Rim Canal of MI-4?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 19 ft wide.

Who owns Entrance Road over Ext Rim Canal of MI-4?

It is owned by the Bureau of Fish and Wildlife.