US Bridges

RM 337 over Mill Creek

Good

Bandera County, Texas · 3.5 Mi. NE of RM 187 · Structure no. 150100085504022

Built
2021
4 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
600
2021 count
Owner
State
State Highway Agency

About this bridge

RM 337 over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying RM 337 over Mill Creek in Bandera County, Texas. It was built in 2021, so it is 4 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 600 vehicles a day, projected to reach 1 by 1900. The structure is 200 ft (61 m) long and 34 ft wide. If it were closed, the detour would be 67.7 mi (109 km).

CarriesRM 337
CrossesMill Creek
Location3.5 Mi. NE of RM 187
RouteState Highway 337
StateTexas
Coordinates29.76631, -99.50362
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length200 ft (61 m)
Longest span120 ft (36.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic600 (2021)
Projected traffic1 by 1900
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.7 mi (109 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 RM 337 over Mill Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is RM 337 over Mill 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 2024.

How much traffic does RM 337 over Mill Creek carry?

About 600 vehicles per day (2021 count).

How long is RM 337 over Mill Creek?

The structure is 200 ft (61 m) long with a longest span of 120 ft (36.6 m) and a deck 34 ft wide.

Who owns RM 337 over Mill Creek?

It is owned by the State Highway Agency.