US Bridges

Mill Dam Road over Guadalupe River

Good

Kendall County, Texas · 0.6 MI S of SH 27 · Structure no. 151310AA0134004

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
530 ft
7 main spans
Daily traffic
330
2018 count
Owner
County
County Highway Agency

About this bridge

Mill Dam Road over Guadalupe River is a prestressed concrete stringer/multi-beam or girder carrying Mill Dam Road over Guadalupe River in Kendall County, Texas. It was built in 2017, so it is 8 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 330 vehicles a day, projected to reach 530 by 2038. The structure is 530 ft (161.5 m) long and 30 ft wide.

CarriesMill Dam Road
CrossesGuadalupe River
Location0.6 MI S of SH 27
RouteState Lands Road 0
StateTexas
Coordinates29.95475, -98.91879
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length530 ft (161.5 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2018)
Projected traffic530 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$30,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Dam Road over Guadalupe River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Mill Dam Road over Guadalupe River 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 June 2023.

How much traffic does Mill Dam Road over Guadalupe River carry?

About 330 vehicles per day (2018 count).

How long is Mill Dam Road over Guadalupe River?

The structure is 530 ft (161.5 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns Mill Dam Road over Guadalupe River?

It is owned by the County Highway Agency.