US Bridges

SR 1100 over Ut to Three Top Creek

Good

Ashe County, North Carolina · 2.1 MI.N.JCT.SR1224 · Structure no. 000000000090371

Built
2018
7 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
640
2015 count
Owner
State
State Highway Agency

About this bridge

SR 1100 over Ut to Three Top Creek is a prestressed concrete slab carrying SR 1100 over Ut to Three Top Creek in Ashe County, North Carolina. It was built in 2018, so it is 7 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 640 vehicles a day, roughly 6% of them trucks, projected to reach 1,280 by 2040. The structure is 42 ft (12.8 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 1100
CrossesUt to Three Top Creek
Location2.1 MI.N.JCT.SR1224
RouteState Highway 1100
Coordinates36.36143, -81.59105
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating54.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span39 ft (11.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2015)
Projected traffic1,280 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1100 over Ut to Three Top Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR 1100 over Ut to Three Top Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does SR 1100 over Ut to Three Top Creek carry?

About 640 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 1100 over Ut to Three Top Creek?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (11.8 m) and a deck 27 ft wide.

Who owns SR 1100 over Ut to Three Top Creek?

It is owned by the State Highway Agency.