US Bridges

Mission Ridge over Panther Spring Crk

Good

Bexar County, Texas · 0.1 MI E of Blanco · Structure no. 150150B23328001

Built
1986
39 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,565
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mission Ridge over Panther Spring Crk is a concrete culvert carrying Mission Ridge over Panther Spring Crk in Bexar County, Texas. It was built in 1986, so it is 39 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 1,565 vehicles a day, projected to reach 10 by 2031. The structure is 34 ft (10.4 m) long and 73 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMission Ridge
CrossesPanther Spring Crk
Location0.1 MI E of Blanco
RouteCity Street 0
StateTexas
Coordinates29.58858, -98.51277
Functional classUrban 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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width73 ft (22.4 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,565 (2020)
Projected traffic10 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$217,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mission Ridge over Panther Spring Crk built?

It was built in 1986, making it 39 years old in 2025.

What condition is Mission Ridge over Panther Spring Crk 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 2023.

How much traffic does Mission Ridge over Panther Spring Crk carry?

About 1,565 vehicles per day (2020 count).

How long is Mission Ridge over Panther Spring Crk?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 73 ft wide.

Who owns Mission Ridge over Panther Spring Crk?

It is owned by the City or Municipal Highway Agency.