US Bridges

FM 3445 over San Miguel Creek

Good

McMullen County, Texas · 6.90 MI NE of SH 16 · Structure no. 151620343901002

Built
1982
43 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
586
2023 count
Owner
State
State Highway Agency

About this bridge

FM 3445 over San Miguel Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 3445 over San Miguel Creek in McMullen County, Texas. It was built in 1982, so it is 43 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 586 vehicles a day, roughly 17% of them trucks, projected to reach 820 by 2042. The structure is 240 ft (73.2 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFM 3445
CrossesSan Miguel Creek
Location6.90 MI NE of SH 16
RouteState Highway 3445
StateTexas
Coordinates28.53098, -98.45602
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating63.9 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length240 ft (73.2 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic586 (2023)
Projected traffic820 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3445 over San Miguel Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is FM 3445 over San Miguel 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 July 2024.

How much traffic does FM 3445 over San Miguel Creek carry?

About 586 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is FM 3445 over San Miguel Creek?

The structure is 240 ft (73.2 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns FM 3445 over San Miguel Creek?

It is owned by the State Highway Agency.