US Bridges

SR1627 over Mill Creek

Fair

Union County, North Carolina · 0.3 Mi. N. Jct. SR1628 · Structure no. 000000001790022

Built
1928
97 years old, rebuilt 2002
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1627 over Mill Creek is a steel stringer/multi-beam or girder carrying SR1627 over Mill Creek in Union County, North Carolina. It was built in 1928 and reconstructed in 2002, so it is 97 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 4,000 vehicles a day, roughly 7% of them trucks, projected to reach 8,000 by 2040. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1627
CrossesMill Creek
Location0.3 Mi. N. Jct. SR1628
RouteState Highway 1627
Coordinates35.05628, -80.46403
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 rating67.9 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span41 ft (12.4 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic8,000 by 2040
Trucks7%
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

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 SR1627 over Mill Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2002.

What condition is SR1627 over Mill 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 October 2024.

How much traffic does SR1627 over Mill Creek carry?

About 4,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1627 over Mill Creek?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.4 m) and a deck 25 ft wide.

Who owns SR1627 over Mill Creek?

It is owned by the State Highway Agency.