US Bridges

US70 over Micol Creek

Fair

Burke County, North Carolina · .05 MI.W.JCT.SR1589 · Structure no. 000000000230107

Built
1925
100 years old, rebuilt 1954
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
67 ft
3 main spans
Daily traffic
6,100
2015 count
Owner
State
State Highway Agency

About this bridge

US70 over Micol Creek is a concrete slab carrying US70 over Micol Creek in Burke County, North Carolina. It was built in 1925 and reconstructed in 1954, so it is 100 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 6,100 vehicles a day, roughly 6% of them trucks, projected to reach 12,200 by 2040. The structure is 67 ft (20.4 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS70
CrossesMicol Creek
Location.05 MI.W.JCT.SR1589
RouteU.S. Route 70
CountyBurke County
StateNorth Carolina
Coordinates35.7408, -81.54773
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating25.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length67 ft (20.4 m)
Longest span21 ft (6.4 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2015)
Projected traffic12,200 by 2040
Trucks6%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US70 over Micol Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1954.

What condition is US70 over Micol 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 2023.

How much traffic does US70 over Micol Creek carry?

About 6,100 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is US70 over Micol Creek?

The structure is 67 ft (20.4 m) long with a longest span of 21 ft (6.4 m) and a deck 36 ft wide.

Who owns US70 over Micol Creek?

It is owned by the State Highway Agency.