US Bridges

Miller Road over Martinez Creek

Good

Bexar County, Texas · 0.4 MI S of New Berlin RD · Structure no. 150150V00035002

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
240 ft
4 main spans
Daily traffic
200
2019 count
Owner
County
County Highway Agency

About this bridge

Miller Road over Martinez Creek is a prestressed concrete box beam or girders - multiple carrying Miller Road over Martinez Creek in Bexar County, Texas. It was built in 2019, so it is 6 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 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 200 vehicles a day, projected to reach 300 by 2039. The structure is 240 ft (73.2 m) long and 26 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesMiller Road
CrossesMartinez Creek
Location0.4 MI S of New Berlin RD
RouteCity Street 0
CountyBexar County
StateTexas
Coordinates29.44951, -98.19294
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span60 ft (18.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2019)
Projected traffic300 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Miller Road over Martinez Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Miller Road over Martinez 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 May 2023.

How much traffic does Miller Road over Martinez Creek carry?

About 200 vehicles per day (2019 count).

How long is Miller Road over Martinez Creek?

The structure is 240 ft (73.2 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Miller Road over Martinez Creek?

It is owned by the County Highway Agency.