US Bridges

Royal RD over Sixmile Creek

Good

Calhoun County, Texas · 0.65 MI W of FM 1090 · Structure no. 130290AA0177001

Built
2015
10 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
411
2022 count
Owner
County
County Highway Agency

About this bridge

Royal RD over Sixmile Creek is a concrete culvert carrying Royal RD over Sixmile Creek in Calhoun County, Texas. It was built in 2015, so it is 10 years old, younger than the Texas average of 44.4 years.

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

It carries about 411 vehicles a day, roughly 3% of them trucks, projected to reach 900 by 2042. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRoyal RD
CrossesSixmile Creek
Location0.65 MI W of FM 1090
RouteCounty Highway 0
CountyCalhoun County
StateTexas
Coordinates28.67582, -96.69164
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span11 ft (3.4 m)
Deck width36 ft (11 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic411 (2022)
Projected traffic900 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Royal RD over Sixmile Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Royal RD over Sixmile 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 November 2023.

How much traffic does Royal RD over Sixmile Creek carry?

About 411 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Royal RD over Sixmile Creek?

The structure is 30 ft (9.1 m) long with a longest span of 11 ft (3.4 m) and a deck 36 ft wide.

Who owns Royal RD over Sixmile Creek?

It is owned by the County Highway Agency.