US Bridges

SR1122 over Br. of Mill Creek

FairPosted for load

Johnston County, North Carolina · 0.2 Mi.E. of JCT.SR1124 · Structure no. 000000001010396

Built
1960
65 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
150
2022 count
Owner
State
State Highway Agency

About this bridge

SR1122 over Br. of Mill Creek is a wood or timber stringer/multi-beam or girder carrying SR1122 over Br. of Mill Creek in Johnston County, North Carolina. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 6% of them trucks, projected to reach 300 by 2040. The structure is 36 ft (10.9 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1122
CrossesBr. of Mill Creek
Location0.2 Mi.E. of JCT.SR1124
RouteState Highway 1122
Coordinates35.28503, -78.43006
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.9 US tons
Inventory rating17 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span17 ft (5.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic300 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1122 over Br. of Mill Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR1122 over Br. of 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 December 2024.

How much traffic does SR1122 over Br. of Mill Creek carry?

About 150 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1122 over Br. of Mill Creek?

The structure is 36 ft (10.9 m) long with a longest span of 17 ft (5.1 m) and a deck 27 ft wide.

Who owns SR1122 over Br. of Mill Creek?

It is owned by the State Highway Agency.