US Bridges

Lp 13 over Sixmile Creek

Fair

Bexar County, Texas · 0.7 MI W of IH 35 · Structure no. 150150052102100

Built
1962
63 years old, rebuilt 2009
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
80 ft
6 main spans
Daily traffic
36,829
2015 count
Owner
State
State Highway Agency

About this bridge

Lp 13 over Sixmile Creek is a concrete culvert carrying Lp 13 over Sixmile Creek in Bexar County, Texas. It was built in 1962 and reconstructed in 2009, so it is 63 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 36,829 vehicles a day, roughly 9% of them trucks, projected to reach 34,900 by 2033. The structure is 80 ft (24.4 m) long.

CarriesLp 13
CrossesSixmile Creek
Location0.7 MI W of IH 35
RouteState Highway 13
StateTexas
Coordinates29.35668, -98.51694
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadOther
Structure length80 ft (24.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,829 (2015)
Projected traffic34,900 by 2033
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 13 over Sixmile Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2009.

What condition is Lp 13 over Sixmile 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 2024.

How much traffic does Lp 13 over Sixmile Creek carry?

About 36,829 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is Lp 13 over Sixmile Creek?

The structure is 80 ft (24.4 m) long with a longest span of 10 ft (3 m).

Who owns Lp 13 over Sixmile Creek?

It is owned by the State Highway Agency.